Home / 687,696.20-949,169.30-524,776.04

Finding the Fourth Proportional to 687,696.20, 949,169.30 and 524,776.04

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Solution

The fourth proportional to 687,696.20, 949,169.30 and 524,776.04 is: 724,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,696.20 : 949,169.30 = 524,776.04 : x
  2. Step 2: Convert to fraction form
    687,696.20/949,169.30 = 524,776.04/x
  3. Step 3: Cross multiply
    687,696.20x = 949,169.30 × 524,776.04
  4. Step 4: Simplify right side
    687,696.20x = 498,101,299,173.85
  5. Step 5: Solve for x
    x = 498,101,299,173.85/687,696.20
  6. Step 6: Final answer
    x = 724,304.28

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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.