Home / 753,149.10-1,039,344.53-413,617.35

Finding the Fourth Proportional to 753,149.10, 1,039,344.53 and 413,617.35

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Solution

The fourth proportional to 753,149.10, 1,039,344.53 and 413,617.35 is: 570,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,149.10 : 1,039,344.53 = 413,617.35 : x
  2. Step 2: Convert to fraction form
    753,149.10/1,039,344.53 = 413,617.35/x
  3. Step 3: Cross multiply
    753,149.10x = 1,039,344.53 × 413,617.35
  4. Step 4: Simplify right side
    753,149.10x = 429,890,930,235.60
  5. Step 5: Solve for x
    x = 429,890,930,235.60/753,149.10
  6. Step 6: Final answer
    x = 570,791.27

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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.