Home / 738,575.88-1,019,235.06-399,044.04

Finding the Fourth Proportional to 738,575.88, 1,019,235.06 and 399,044.04

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Solution

The fourth proportional to 738,575.88, 1,019,235.06 and 399,044.04 is: 550,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,575.88 : 1,019,235.06 = 399,044.04 : x
  2. Step 2: Convert to fraction form
    738,575.88/1,019,235.06 = 399,044.04/x
  3. Step 3: Cross multiply
    738,575.88x = 1,019,235.06 × 399,044.04
  4. Step 4: Simplify right side
    738,575.88x = 406,719,676,052.04
  5. Step 5: Solve for x
    x = 406,719,676,052.04/738,575.88
  6. Step 6: Final answer
    x = 550,680.96

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1.5x scale

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.