Home / 862,588.83-1,190,377.46-500,227.83

Finding the Fourth Proportional to 862,588.83, 1,190,377.46 and 500,227.83

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Solution

The fourth proportional to 862,588.83, 1,190,377.46 and 500,227.83 is: 690,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,588.83 : 1,190,377.46 = 500,227.83 : x
  2. Step 2: Convert to fraction form
    862,588.83/1,190,377.46 = 500,227.83/x
  3. Step 3: Cross multiply
    862,588.83x = 1,190,377.46 × 500,227.83
  4. Step 4: Simplify right side
    862,588.83x = 595,459,931,195.57
  5. Step 5: Solve for x
    x = 595,459,931,195.57/862,588.83
  6. Step 6: Final answer
    x = 690,317.23

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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.