Home / 723,204.59-1,084,987.55-510,387.91

Finding the Fourth Proportional to 723,204.59, 1,084,987.55 and 510,387.91

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Solution

The fourth proportional to 723,204.59, 1,084,987.55 and 510,387.91 is: 765,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,204.59 : 1,084,987.55 = 510,387.91 : x
  2. Step 2: Convert to fraction form
    723,204.59/1,084,987.55 = 510,387.91/x
  3. Step 3: Cross multiply
    723,204.59x = 1,084,987.55 × 510,387.91
  4. Step 4: Simplify right side
    723,204.59x = 553,764,526,584.02
  5. Step 5: Solve for x
    x = 553,764,526,584.02/723,204.59
  6. Step 6: Final answer
    x = 765,709.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.