Home / 746,609.40-1,119,914.10-185,643.90

Finding the Fourth Proportional to 746,609.40, 1,119,914.10 and 185,643.90

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Solution

The fourth proportional to 746,609.40, 1,119,914.10 and 185,643.90 is: 278,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,609.40 : 1,119,914.10 = 185,643.90 : x
  2. Step 2: Convert to fraction form
    746,609.40/1,119,914.10 = 185,643.90/x
  3. Step 3: Cross multiply
    746,609.40x = 1,119,914.10 × 185,643.90
  4. Step 4: Simplify right side
    746,609.40x = 207,905,221,188.99
  5. Step 5: Solve for x
    x = 207,905,221,188.99/746,609.40
  6. Step 6: Final answer
    x = 278,465.85

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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.