Home / 746,645.40-1,119,968.10-185,679.90

Finding the Fourth Proportional to 746,645.40, 1,119,968.10 and 185,679.90

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Solution

The fourth proportional to 746,645.40, 1,119,968.10 and 185,679.90 is: 278,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,645.40 : 1,119,968.10 = 185,679.90 : x
  2. Step 2: Convert to fraction form
    746,645.40/1,119,968.10 = 185,679.90/x
  3. Step 3: Cross multiply
    746,645.40x = 1,119,968.10 × 185,679.90
  4. Step 4: Simplify right side
    746,645.40x = 207,955,564,811.19
  5. Step 5: Solve for x
    x = 207,955,564,811.19/746,645.40
  6. Step 6: Final answer
    x = 278,519.85

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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.