Home / 526,985.47-790,232.10-189,981.73

Finding the Fourth Proportional to 526,985.47, 790,232.10 and 189,981.73

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Solution

The fourth proportional to 526,985.47, 790,232.10 and 189,981.73 is: 284,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,985.47 : 790,232.10 = 189,981.73 : x
  2. Step 2: Convert to fraction form
    526,985.47/790,232.10 = 189,981.73/x
  3. Step 3: Cross multiply
    526,985.47x = 790,232.10 × 189,981.73
  4. Step 4: Simplify right side
    526,985.47x = 150,129,661,459.53
  5. Step 5: Solve for x
    x = 150,129,661,459.53/526,985.47
  6. Step 6: Final answer
    x = 284,883.87

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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.