Home / 649,943.28-974,557.56-200,541.60

Finding the Fourth Proportional to 649,943.28, 974,557.56 and 200,541.60

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Solution

The fourth proportional to 649,943.28, 974,557.56 and 200,541.60 is: 300,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,943.28 : 974,557.56 = 200,541.60 : x
  2. Step 2: Convert to fraction form
    649,943.28/974,557.56 = 200,541.60/x
  3. Step 3: Cross multiply
    649,943.28x = 974,557.56 × 200,541.60
  4. Step 4: Simplify right side
    649,943.28x = 195,439,332,374.50
  5. Step 5: Solve for x
    x = 195,439,332,374.50/649,943.28
  6. Step 6: Final answer
    x = 300,702.14

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Double scale
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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.