Home / 865,728.93-1,298,593.38-234,642.75

Finding the Fourth Proportional to 865,728.93, 1,298,593.38 and 234,642.75

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Solution

The fourth proportional to 865,728.93, 1,298,593.38 and 234,642.75 is: 351,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,728.93 : 1,298,593.38 = 234,642.75 : x
  2. Step 2: Convert to fraction form
    865,728.93/1,298,593.38 = 234,642.75/x
  3. Step 3: Cross multiply
    865,728.93x = 1,298,593.38 × 234,642.75
  4. Step 4: Simplify right side
    865,728.93x = 304,705,521,815.00
  5. Step 5: Solve for x
    x = 304,705,521,815.00/865,728.93
  6. Step 6: Final answer
    x = 351,964.12

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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.