Home / 746,515.61-1,119,774.30-185,550.11

Finding the Fourth Proportional to 746,515.61, 1,119,774.30 and 185,550.11

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Solution

The fourth proportional to 746,515.61, 1,119,774.30 and 185,550.11 is: 278,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,515.61 : 1,119,774.30 = 185,550.11 : x
  2. Step 2: Convert to fraction form
    746,515.61/1,119,774.30 = 185,550.11/x
  3. Step 3: Cross multiply
    746,515.61x = 1,119,774.30 × 185,550.11
  4. Step 4: Simplify right side
    746,515.61x = 207,774,243,612.42
  5. Step 5: Solve for x
    x = 207,774,243,612.42/746,515.61
  6. Step 6: Final answer
    x = 278,325.38

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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.