Home / 907,103.91-1,251,855.05-519,983.75

Finding the Fourth Proportional to 907,103.91, 1,251,855.05 and 519,983.75

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Solution

The fourth proportional to 907,103.91, 1,251,855.05 and 519,983.75 is: 717,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,103.91 : 1,251,855.05 = 519,983.75 : x
  2. Step 2: Convert to fraction form
    907,103.91/1,251,855.05 = 519,983.75/x
  3. Step 3: Cross multiply
    907,103.91x = 1,251,855.05 × 519,983.75
  4. Step 4: Simplify right side
    907,103.91x = 650,944,286,810.07
  5. Step 5: Solve for x
    x = 650,944,286,810.07/907,103.91
  6. Step 6: Final answer
    x = 717,607.19

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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.