Home / 1,139,531.01-1,572,581.96-686,851.17

Finding the Fourth Proportional to 1,139,531.01, 1,572,581.96 and 686,851.17

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Solution

The fourth proportional to 1,139,531.01, 1,572,581.96 and 686,851.17 is: 947,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,531.01 : 1,572,581.96 = 686,851.17 : x
  2. Step 2: Convert to fraction form
    1,139,531.01/1,572,581.96 = 686,851.17/x
  3. Step 3: Cross multiply
    1,139,531.01x = 1,572,581.96 × 686,851.17
  4. Step 4: Simplify right side
    1,139,531.01x = 1,080,129,755,712.64
  5. Step 5: Solve for x
    x = 1,080,129,755,712.64/1,139,531.01
  6. Step 6: Final answer
    x = 947,872.19

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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.