Home / 1,149,382.92-1,586,034.90-640,132.68

Finding the Fourth Proportional to 1,149,382.92, 1,586,034.90 and 640,132.68

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Solution

The fourth proportional to 1,149,382.92, 1,586,034.90 and 640,132.68 is: 883,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,382.92 : 1,586,034.90 = 640,132.68 : x
  2. Step 2: Convert to fraction form
    1,149,382.92/1,586,034.90 = 640,132.68/x
  3. Step 3: Cross multiply
    1,149,382.92x = 1,586,034.90 × 640,132.68
  4. Step 4: Simplify right side
    1,149,382.92x = 1,015,272,771,110.53
  5. Step 5: Solve for x
    x = 1,015,272,771,110.53/1,149,382.92
  6. Step 6: Final answer
    x = 883,319.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.