Home / 598,743.20-898,114.80-386,166.80

Finding the Fourth Proportional to 598,743.20, 898,114.80 and 386,166.80

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Solution

The fourth proportional to 598,743.20, 898,114.80 and 386,166.80 is: 579,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,743.20 : 898,114.80 = 386,166.80 : x
  2. Step 2: Convert to fraction form
    598,743.20/898,114.80 = 386,166.80/x
  3. Step 3: Cross multiply
    598,743.20x = 898,114.80 × 386,166.80
  4. Step 4: Simplify right side
    598,743.20x = 346,822,118,348.64
  5. Step 5: Solve for x
    x = 346,822,118,348.64/598,743.20
  6. Step 6: Final answer
    x = 579,250.20

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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.