Home / 781,219.92-1,078,112.52-441,667.92

Finding the Fourth Proportional to 781,219.92, 1,078,112.52 and 441,667.92

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Solution

The fourth proportional to 781,219.92, 1,078,112.52 and 441,667.92 is: 609,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,219.92 : 1,078,112.52 = 441,667.92 : x
  2. Step 2: Convert to fraction form
    781,219.92/1,078,112.52 = 441,667.92/x
  3. Step 3: Cross multiply
    781,219.92x = 1,078,112.52 × 441,667.92
  4. Step 4: Simplify right side
    781,219.92x = 476,167,714,234.36
  5. Step 5: Solve for x
    x = 476,167,714,234.36/781,219.92
  6. Step 6: Final answer
    x = 609,518.14

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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.