Home / 947,092.38-1,306,971.09-517,361.46

Finding the Fourth Proportional to 947,092.38, 1,306,971.09 and 517,361.46

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Solution

The fourth proportional to 947,092.38, 1,306,971.09 and 517,361.46 is: 713,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,092.38 : 1,306,971.09 = 517,361.46 : x
  2. Step 2: Convert to fraction form
    947,092.38/1,306,971.09 = 517,361.46/x
  3. Step 3: Cross multiply
    947,092.38x = 1,306,971.09 × 517,361.46
  4. Step 4: Simplify right side
    947,092.38x = 676,176,471,300.19
  5. Step 5: Solve for x
    x = 676,176,471,300.19/947,092.38
  6. Step 6: Final answer
    x = 713,949.86

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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.