Home / 598,228.20-897,342.30-440,764.20

Finding the Fourth Proportional to 598,228.20, 897,342.30 and 440,764.20

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Solution

The fourth proportional to 598,228.20, 897,342.30 and 440,764.20 is: 661,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,228.20 : 897,342.30 = 440,764.20 : x
  2. Step 2: Convert to fraction form
    598,228.20/897,342.30 = 440,764.20/x
  3. Step 3: Cross multiply
    598,228.20x = 897,342.30 × 440,764.20
  4. Step 4: Simplify right side
    598,228.20x = 395,516,360,985.66
  5. Step 5: Solve for x
    x = 395,516,360,985.66/598,228.20
  6. Step 6: Final answer
    x = 661,146.30

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Half scale
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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.