Home / 1,139,512.31-1,572,185.55-656,065.02

Finding the Fourth Proportional to 1,139,512.31, 1,572,185.55 and 656,065.02

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Solution

The fourth proportional to 1,139,512.31, 1,572,185.55 and 656,065.02 is: 905,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,512.31 : 1,572,185.55 = 656,065.02 : x
  2. Step 2: Convert to fraction form
    1,139,512.31/1,572,185.55 = 656,065.02/x
  3. Step 3: Cross multiply
    1,139,512.31x = 1,572,185.55 × 656,065.02
  4. Step 4: Simplify right side
    1,139,512.31x = 1,031,455,944,304.46
  5. Step 5: Solve for x
    x = 1,031,455,944,304.46/1,139,512.31
  6. Step 6: Final answer
    x = 905,173.15

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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.