Home / 649,521.15-974,281.73-492,057.15

Finding the Fourth Proportional to 649,521.15, 974,281.73 and 492,057.15

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Solution

The fourth proportional to 649,521.15, 974,281.73 and 492,057.15 is: 738,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,521.15 : 974,281.73 = 492,057.15 : x
  2. Step 2: Convert to fraction form
    649,521.15/974,281.73 = 492,057.15/x
  3. Step 3: Cross multiply
    649,521.15x = 974,281.73 × 492,057.15
  4. Step 4: Simplify right side
    649,521.15x = 479,402,288,900.58
  5. Step 5: Solve for x
    x = 479,402,288,900.58/649,521.15
  6. Step 6: Final answer
    x = 738,085.73

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Double scale
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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.