Home / 1,134,644.28-1,565,763.01-618,387.21

Finding the Fourth Proportional to 1,134,644.28, 1,565,763.01 and 618,387.21

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Solution

The fourth proportional to 1,134,644.28, 1,565,763.01 and 618,387.21 is: 853,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,644.28 : 1,565,763.01 = 618,387.21 : x
  2. Step 2: Convert to fraction form
    1,134,644.28/1,565,763.01 = 618,387.21/x
  3. Step 3: Cross multiply
    1,134,644.28x = 1,565,763.01 × 618,387.21
  4. Step 4: Simplify right side
    1,134,644.28x = 968,247,819,275.10
  5. Step 5: Solve for x
    x = 968,247,819,275.10/1,134,644.28
  6. Step 6: Final answer
    x = 853,349.23

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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.