Home / 865,728.43-1,298,592.63-234,642.24

Finding the Fourth Proportional to 865,728.43, 1,298,592.63 and 234,642.24

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Solution

The fourth proportional to 865,728.43, 1,298,592.63 and 234,642.24 is: 351,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,728.43 : 1,298,592.63 = 234,642.24 : x
  2. Step 2: Convert to fraction form
    865,728.43/1,298,592.63 = 234,642.24/x
  3. Step 3: Cross multiply
    865,728.43x = 1,298,592.63 × 234,642.24
  4. Step 4: Simplify right side
    865,728.43x = 304,704,683,550.69
  5. Step 5: Solve for x
    x = 304,704,683,550.69/865,728.43
  6. Step 6: Final answer
    x = 351,963.36

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Similar ratio
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1.5x scale

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.