Home / 1,225,096.01-1,690,633.89-681,220.13

Finding the Fourth Proportional to 1,225,096.01, 1,690,633.89 and 681,220.13

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Solution

The fourth proportional to 1,225,096.01, 1,690,633.89 and 681,220.13 is: 940,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,096.01 : 1,690,633.89 = 681,220.13 : x
  2. Step 2: Convert to fraction form
    1,225,096.01/1,690,633.89 = 681,220.13/x
  3. Step 3: Cross multiply
    1,225,096.01x = 1,690,633.89 × 681,220.13
  4. Step 4: Simplify right side
    1,225,096.01x = 1,151,693,829,875.04
  5. Step 5: Solve for x
    x = 1,151,693,829,875.04/1,225,096.01
  6. Step 6: Final answer
    x = 940,084.55

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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.