Home / 598,834.70-898,252.05-386,258.30

Finding the Fourth Proportional to 598,834.70, 898,252.05 and 386,258.30

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Solution

The fourth proportional to 598,834.70, 898,252.05 and 386,258.30 is: 579,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,834.70 : 898,252.05 = 386,258.30 : x
  2. Step 2: Convert to fraction form
    598,834.70/898,252.05 = 386,258.30/x
  3. Step 3: Cross multiply
    598,834.70x = 898,252.05 × 386,258.30
  4. Step 4: Simplify right side
    598,834.70x = 346,957,309,804.52
  5. Step 5: Solve for x
    x = 346,957,309,804.52/598,834.70
  6. Step 6: Final answer
    x = 579,387.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.