Home / 753,098.75-1,039,282.97-413,569.43

Finding the Fourth Proportional to 753,098.75, 1,039,282.97 and 413,569.43

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Solution

The fourth proportional to 753,098.75, 1,039,282.97 and 413,569.43 is: 570,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,098.75 : 1,039,282.97 = 413,569.43 : x
  2. Step 2: Convert to fraction form
    753,098.75/1,039,282.97 = 413,569.43/x
  3. Step 3: Cross multiply
    753,098.75x = 1,039,282.97 × 413,569.43
  4. Step 4: Simplify right side
    753,098.75x = 429,815,658,247.35
  5. Step 5: Solve for x
    x = 429,815,658,247.35/753,098.75
  6. Step 6: Final answer
    x = 570,729.48

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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.