Home / 684,019.52-943,944.96-382,213.76

Finding the Fourth Proportional to 684,019.52, 943,944.96 and 382,213.76

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Solution

The fourth proportional to 684,019.52, 943,944.96 and 382,213.76 is: 527,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,019.52 : 943,944.96 = 382,213.76 : x
  2. Step 2: Convert to fraction form
    684,019.52/943,944.96 = 382,213.76/x
  3. Step 3: Cross multiply
    684,019.52x = 943,944.96 × 382,213.76
  4. Step 4: Simplify right side
    684,019.52x = 360,788,752,394.65
  5. Step 5: Solve for x
    x = 360,788,752,394.65/684,019.52
  6. Step 6: Final answer
    x = 527,453.88

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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.