Home / 639,937.83-959,731.78-240,547.89

Finding the Fourth Proportional to 639,937.83, 959,731.78 and 240,547.89

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Solution

The fourth proportional to 639,937.83, 959,731.78 and 240,547.89 is: 360,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,937.83 : 959,731.78 = 240,547.89 : x
  2. Step 2: Convert to fraction form
    639,937.83/959,731.78 = 240,547.89/x
  3. Step 3: Cross multiply
    639,937.83x = 959,731.78 × 240,547.89
  4. Step 4: Simplify right side
    639,937.83x = 230,861,449,244.92
  5. Step 5: Solve for x
    x = 230,861,449,244.92/639,937.83
  6. Step 6: Final answer
    x = 360,756.06

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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.