Home / 651,258.11-898,736.18-396,609.30

Finding the Fourth Proportional to 651,258.11, 898,736.18 and 396,609.30

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Solution

The fourth proportional to 651,258.11, 898,736.18 and 396,609.30 is: 547,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,258.11 : 898,736.18 = 396,609.30 : x
  2. Step 2: Convert to fraction form
    651,258.11/898,736.18 = 396,609.30/x
  3. Step 3: Cross multiply
    651,258.11x = 898,736.18 × 396,609.30
  4. Step 4: Simplify right side
    651,258.11x = 356,447,128,226.00
  5. Step 5: Solve for x
    x = 356,447,128,226.00/651,258.11
  6. Step 6: Final answer
    x = 547,320.83

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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.