Home / 527,072.20-790,608.30-133,088.20

Finding the Fourth Proportional to 527,072.20, 790,608.30 and 133,088.20

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Solution

The fourth proportional to 527,072.20, 790,608.30 and 133,088.20 is: 199,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,072.20 : 790,608.30 = 133,088.20 : x
  2. Step 2: Convert to fraction form
    527,072.20/790,608.30 = 133,088.20/x
  3. Step 3: Cross multiply
    527,072.20x = 790,608.30 × 133,088.20
  4. Step 4: Simplify right side
    527,072.20x = 105,220,635,552.06
  5. Step 5: Solve for x
    x = 105,220,635,552.06/527,072.20
  6. Step 6: Final answer
    x = 199,632.30

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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.