Home / 649,336.10-974,004.15-624,452.90

Finding the Fourth Proportional to 649,336.10, 974,004.15 and 624,452.90

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Solution

The fourth proportional to 649,336.10, 974,004.15 and 624,452.90 is: 936,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,336.10 : 974,004.15 = 624,452.90 : x
  2. Step 2: Convert to fraction form
    649,336.10/974,004.15 = 624,452.90/x
  3. Step 3: Cross multiply
    649,336.10x = 974,004.15 × 624,452.90
  4. Step 4: Simplify right side
    649,336.10x = 608,219,716,079.54
  5. Step 5: Solve for x
    x = 608,219,716,079.54/649,336.10
  6. Step 6: Final answer
    x = 936,679.35

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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.