Home / 926,773.80-1,390,160.70-327,730.20

Finding the Fourth Proportional to 926,773.80, 1,390,160.70 and 327,730.20

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Solution

The fourth proportional to 926,773.80, 1,390,160.70 and 327,730.20 is: 491,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,773.80 : 1,390,160.70 = 327,730.20 : x
  2. Step 2: Convert to fraction form
    926,773.80/1,390,160.70 = 327,730.20/x
  3. Step 3: Cross multiply
    926,773.80x = 1,390,160.70 × 327,730.20
  4. Step 4: Simplify right side
    926,773.80x = 455,597,644,243.14
  5. Step 5: Solve for x
    x = 455,597,644,243.14/926,773.80
  6. Step 6: Final answer
    x = 491,595.30

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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.