Home / 683,073.60-1,024,610.40-663,390.60

Finding the Fourth Proportional to 683,073.60, 1,024,610.40 and 663,390.60

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Solution

The fourth proportional to 683,073.60, 1,024,610.40 and 663,390.60 is: 995,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,073.60 : 1,024,610.40 = 663,390.60 : x
  2. Step 2: Convert to fraction form
    683,073.60/1,024,610.40 = 663,390.60/x
  3. Step 3: Cross multiply
    683,073.60x = 1,024,610.40 × 663,390.60
  4. Step 4: Simplify right side
    683,073.60x = 679,716,908,022.24
  5. Step 5: Solve for x
    x = 679,716,908,022.24/683,073.60
  6. Step 6: Final answer
    x = 995,085.90

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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.