Home / 817,117.44-1,127,630.68-449,599.34

Finding the Fourth Proportional to 817,117.44, 1,127,630.68 and 449,599.34

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Solution

The fourth proportional to 817,117.44, 1,127,630.68 and 449,599.34 is: 620,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,117.44 : 1,127,630.68 = 449,599.34 : x
  2. Step 2: Convert to fraction form
    817,117.44/1,127,630.68 = 449,599.34/x
  3. Step 3: Cross multiply
    817,117.44x = 1,127,630.68 × 449,599.34
  4. Step 4: Simplify right side
    817,117.44x = 506,982,009,491.75
  5. Step 5: Solve for x
    x = 506,982,009,491.75/817,117.44
  6. Step 6: Final answer
    x = 620,451.83

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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.