Home / 782,357.44-1,173,719.18-242,585.32

Finding the Fourth Proportional to 782,357.44, 1,173,719.18 and 242,585.32

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Solution

The fourth proportional to 782,357.44, 1,173,719.18 and 242,585.32 is: 363,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,357.44 : 1,173,719.18 = 242,585.32 : x
  2. Step 2: Convert to fraction form
    782,357.44/1,173,719.18 = 242,585.32/x
  3. Step 3: Cross multiply
    782,357.44x = 1,173,719.18 × 242,585.32
  4. Step 4: Simplify right side
    782,357.44x = 284,727,042,870.44
  5. Step 5: Solve for x
    x = 284,727,042,870.44/782,357.44
  6. Step 6: Final answer
    x = 363,934.73

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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.