Home / 585,748.53-877,619.70-319,695.75

Finding the Fourth Proportional to 585,748.53, 877,619.70 and 319,695.75

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Solution

The fourth proportional to 585,748.53, 877,619.70 and 319,695.75 is: 478,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,748.53 : 877,619.70 = 319,695.75 : x
  2. Step 2: Convert to fraction form
    585,748.53/877,619.70 = 319,695.75/x
  3. Step 3: Cross multiply
    585,748.53x = 877,619.70 × 319,695.75
  4. Step 4: Simplify right side
    585,748.53x = 280,571,288,206.28
  5. Step 5: Solve for x
    x = 280,571,288,206.28/585,748.53
  6. Step 6: Final answer
    x = 478,996.15

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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.