Home / 598,220.80-897,331.20-385,644.40

Finding the Fourth Proportional to 598,220.80, 897,331.20 and 385,644.40

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Solution

The fourth proportional to 598,220.80, 897,331.20 and 385,644.40 is: 578,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,220.80 : 897,331.20 = 385,644.40 : x
  2. Step 2: Convert to fraction form
    598,220.80/897,331.20 = 385,644.40/x
  3. Step 3: Cross multiply
    598,220.80x = 897,331.20 × 385,644.40
  4. Step 4: Simplify right side
    598,220.80x = 346,050,752,225.28
  5. Step 5: Solve for x
    x = 346,050,752,225.28/598,220.80
  6. Step 6: Final answer
    x = 578,466.60

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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.