Home / 895,781.36-1,236,339.24-513,934.40

Finding the Fourth Proportional to 895,781.36, 1,236,339.24 and 513,934.40

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Solution

The fourth proportional to 895,781.36, 1,236,339.24 and 513,934.40 is: 709,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,781.36 : 1,236,339.24 = 513,934.40 : x
  2. Step 2: Convert to fraction form
    895,781.36/1,236,339.24 = 513,934.40/x
  3. Step 3: Cross multiply
    895,781.36x = 1,236,339.24 × 513,934.40
  4. Step 4: Simplify right side
    895,781.36x = 635,397,265,505.86
  5. Step 5: Solve for x
    x = 635,397,265,505.86/895,781.36
  6. Step 6: Final answer
    x = 709,321.82

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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.