Home / 753,354.76-1,039,630.28-413,844.88

Finding the Fourth Proportional to 753,354.76, 1,039,630.28 and 413,844.88

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Solution

The fourth proportional to 753,354.76, 1,039,630.28 and 413,844.88 is: 571,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,354.76 : 1,039,630.28 = 413,844.88 : x
  2. Step 2: Convert to fraction form
    753,354.76/1,039,630.28 = 413,844.88/x
  3. Step 3: Cross multiply
    753,354.76x = 1,039,630.28 × 413,844.88
  4. Step 4: Simplify right side
    753,354.76x = 430,245,668,470.97
  5. Step 5: Solve for x
    x = 430,245,668,470.97/753,354.76
  6. Step 6: Final answer
    x = 571,106.33

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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.