Home / 1,139,353.40-1,572,304.92-655,742

Finding the Fourth Proportional to 1,139,353.40, 1,572,304.92 and 655,742

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Solution

The fourth proportional to 1,139,353.40, 1,572,304.92 and 655,742 is: 904,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,353.40 : 1,572,304.92 = 655,742 : x
  2. Step 2: Convert to fraction form
    1,139,353.40/1,572,304.92 = 655,742/x
  3. Step 3: Cross multiply
    1,139,353.40x = 1,572,304.92 × 655,742
  4. Step 4: Simplify right side
    1,139,353.40x = 1,031,026,372,850.64
  5. Step 5: Solve for x
    x = 1,031,026,372,850.64/1,139,353.40
  6. Step 6: Final answer
    x = 904,922.36

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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.