Home / 887,151.07-1,224,267.17-505,177.95

Finding the Fourth Proportional to 887,151.07, 1,224,267.17 and 505,177.95

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Solution

The fourth proportional to 887,151.07, 1,224,267.17 and 505,177.95 is: 697,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,151.07 : 1,224,267.17 = 505,177.95 : x
  2. Step 2: Convert to fraction form
    887,151.07/1,224,267.17 = 505,177.95/x
  3. Step 3: Cross multiply
    887,151.07x = 1,224,267.17 × 505,177.95
  4. Step 4: Simplify right side
    887,151.07x = 618,472,779,192.90
  5. Step 5: Solve for x
    x = 618,472,779,192.90/887,151.07
  6. Step 6: Final answer
    x = 697,144.83

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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.