Home / 649,815.40-974,723.10-492,351.40

Finding the Fourth Proportional to 649,815.40, 974,723.10 and 492,351.40

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Solution

The fourth proportional to 649,815.40, 974,723.10 and 492,351.40 is: 738,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,815.40 : 974,723.10 = 492,351.40 : x
  2. Step 2: Convert to fraction form
    649,815.40/974,723.10 = 492,351.40/x
  3. Step 3: Cross multiply
    649,815.40x = 974,723.10 × 492,351.40
  4. Step 4: Simplify right side
    649,815.40x = 479,906,282,897.34
  5. Step 5: Solve for x
    x = 479,906,282,897.34/649,815.40
  6. Step 6: Final answer
    x = 738,527.10

Related Problems

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Half scale
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Double scale
Find fourth proportional to 649,816.40, 974,724.60 and 492,352.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.