Home / 585,731.24-877,593.87-319,678.43

Finding the Fourth Proportional to 585,731.24, 877,593.87 and 319,678.43

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Solution

The fourth proportional to 585,731.24, 877,593.87 and 319,678.43 is: 478,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,731.24 : 877,593.87 = 319,678.43 : x
  2. Step 2: Convert to fraction form
    585,731.24/877,593.87 = 319,678.43/x
  3. Step 3: Cross multiply
    585,731.24x = 877,593.87 × 319,678.43
  4. Step 4: Simplify right side
    585,731.24x = 280,547,830,539.22
  5. Step 5: Solve for x
    x = 280,547,830,539.22/585,731.24
  6. Step 6: Final answer
    x = 478,970.24

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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.