Home / 1,121,892.05-1,548,332.92-692,161.13

Finding the Fourth Proportional to 1,121,892.05, 1,548,332.92 and 692,161.13

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Solution

The fourth proportional to 1,121,892.05, 1,548,332.92 and 692,161.13 is: 955,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,892.05 : 1,548,332.92 = 692,161.13 : x
  2. Step 2: Convert to fraction form
    1,121,892.05/1,548,332.92 = 692,161.13/x
  3. Step 3: Cross multiply
    1,121,892.05x = 1,548,332.92 × 692,161.13
  4. Step 4: Simplify right side
    1,121,892.05x = 1,071,695,868,259.43
  5. Step 5: Solve for x
    x = 1,071,695,868,259.43/1,121,892.05
  6. Step 6: Final answer
    x = 955,257.56

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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.