Home / 1,172,781.09-1,618,425.51-656,539.23

Finding the Fourth Proportional to 1,172,781.09, 1,618,425.51 and 656,539.23

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Solution

The fourth proportional to 1,172,781.09, 1,618,425.51 and 656,539.23 is: 906,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,781.09 : 1,618,425.51 = 656,539.23 : x
  2. Step 2: Convert to fraction form
    1,172,781.09/1,618,425.51 = 656,539.23/x
  3. Step 3: Cross multiply
    1,172,781.09x = 1,618,425.51 × 656,539.23
  4. Step 4: Simplify right side
    1,172,781.09x = 1,062,559,838,147.76
  5. Step 5: Solve for x
    x = 1,062,559,838,147.76/1,172,781.09
  6. Step 6: Final answer
    x = 906,017.20

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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.