Home / 648,441.28-892,868.05-587,616.19

Finding the Fourth Proportional to 648,441.28, 892,868.05 and 587,616.19

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Solution

The fourth proportional to 648,441.28, 892,868.05 and 587,616.19 is: 809,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,441.28 : 892,868.05 = 587,616.19 : x
  2. Step 2: Convert to fraction form
    648,441.28/892,868.05 = 587,616.19/x
  3. Step 3: Cross multiply
    648,441.28x = 892,868.05 × 587,616.19
  4. Step 4: Simplify right side
    648,441.28x = 524,663,721,713.73
  5. Step 5: Solve for x
    x = 524,663,721,713.73/648,441.28
  6. Step 6: Final answer
    x = 809,115.24

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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.