Home / 887,815.88-1,224,381.59-581,781.11

Finding the Fourth Proportional to 887,815.88, 1,224,381.59 and 581,781.11

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Solution

The fourth proportional to 887,815.88, 1,224,381.59 and 581,781.11 is: 802,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,815.88 : 1,224,381.59 = 581,781.11 : x
  2. Step 2: Convert to fraction form
    887,815.88/1,224,381.59 = 581,781.11/x
  3. Step 3: Cross multiply
    887,815.88x = 1,224,381.59 × 581,781.11
  4. Step 4: Simplify right side
    887,815.88x = 712,322,071,462.95
  5. Step 5: Solve for x
    x = 712,322,071,462.95/887,815.88
  6. Step 6: Final answer
    x = 802,330.85

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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.