Home / 753,590.76-1,039,894.92-431,226.96

Finding the Fourth Proportional to 753,590.76, 1,039,894.92 and 431,226.96

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Solution

The fourth proportional to 753,590.76, 1,039,894.92 and 431,226.96 is: 595,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,590.76 : 1,039,894.92 = 431,226.96 : x
  2. Step 2: Convert to fraction form
    753,590.76/1,039,894.92 = 431,226.96/x
  3. Step 3: Cross multiply
    753,590.76x = 1,039,894.92 × 431,226.96
  4. Step 4: Simplify right side
    753,590.76x = 448,430,725,071.04
  5. Step 5: Solve for x
    x = 448,430,725,071.04/753,590.76
  6. Step 6: Final answer
    x = 595,058.68

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Double scale
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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.