Home / 689,503.70-1,034,255.55-598,265.30

Finding the Fourth Proportional to 689,503.70, 1,034,255.55 and 598,265.30

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Solution

The fourth proportional to 689,503.70, 1,034,255.55 and 598,265.30 is: 897,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,503.70 : 1,034,255.55 = 598,265.30 : x
  2. Step 2: Convert to fraction form
    689,503.70/1,034,255.55 = 598,265.30/x
  3. Step 3: Cross multiply
    689,503.70x = 1,034,255.55 × 598,265.30
  4. Step 4: Simplify right side
    689,503.70x = 618,759,206,897.42
  5. Step 5: Solve for x
    x = 618,759,206,897.42/689,503.70
  6. Step 6: Final answer
    x = 897,397.95

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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.