Home / 1,139,346.25-1,572,491.17-656,191.13

Finding the Fourth Proportional to 1,139,346.25, 1,572,491.17 and 656,191.13

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Solution

The fourth proportional to 1,139,346.25, 1,572,491.17 and 656,191.13 is: 905,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,346.25 : 1,572,491.17 = 656,191.13 : x
  2. Step 2: Convert to fraction form
    1,139,346.25/1,572,491.17 = 656,191.13/x
  3. Step 3: Cross multiply
    1,139,346.25x = 1,572,491.17 × 656,191.13
  4. Step 4: Simplify right side
    1,139,346.25x = 1,031,854,754,476.37
  5. Step 5: Solve for x
    x = 1,031,854,754,476.37/1,139,346.25
  6. Step 6: Final answer
    x = 905,655.11

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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.