Home / 757,861.92-1,045,862.28-413,715.60

Finding the Fourth Proportional to 757,861.92, 1,045,862.28 and 413,715.60

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Solution

The fourth proportional to 757,861.92, 1,045,862.28 and 413,715.60 is: 570,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,861.92 : 1,045,862.28 = 413,715.60 : x
  2. Step 2: Convert to fraction form
    757,861.92/1,045,862.28 = 413,715.60/x
  3. Step 3: Cross multiply
    757,861.92x = 1,045,862.28 × 413,715.60
  4. Step 4: Simplify right side
    757,861.92x = 432,689,540,687.57
  5. Step 5: Solve for x
    x = 432,689,540,687.57/757,861.92
  6. Step 6: Final answer
    x = 570,934.53

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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.