Home / 609,947.40-841,761.10-338,009.60

Finding the Fourth Proportional to 609,947.40, 841,761.10 and 338,009.60

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Solution

The fourth proportional to 609,947.40, 841,761.10 and 338,009.60 is: 466,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,947.40 : 841,761.10 = 338,009.60 : x
  2. Step 2: Convert to fraction form
    609,947.40/841,761.10 = 338,009.60/x
  3. Step 3: Cross multiply
    609,947.40x = 841,761.10 × 338,009.60
  4. Step 4: Simplify right side
    609,947.40x = 284,523,332,706.56
  5. Step 5: Solve for x
    x = 284,523,332,706.56/609,947.40
  6. Step 6: Final answer
    x = 466,471.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.