Home / 746,101.10-1,119,151.65-185,135.60

Finding the Fourth Proportional to 746,101.10, 1,119,151.65 and 185,135.60

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Solution

The fourth proportional to 746,101.10, 1,119,151.65 and 185,135.60 is: 277,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,101.10 : 1,119,151.65 = 185,135.60 : x
  2. Step 2: Convert to fraction form
    746,101.10/1,119,151.65 = 185,135.60/x
  3. Step 3: Cross multiply
    746,101.10x = 1,119,151.65 × 185,135.60
  4. Step 4: Simplify right side
    746,101.10x = 207,194,812,213.74
  5. Step 5: Solve for x
    x = 207,194,812,213.74/746,101.10
  6. Step 6: Final answer
    x = 277,703.40

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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.