Home / 976,998.70-1,465,498.05-471,801.70

Finding the Fourth Proportional to 976,998.70, 1,465,498.05 and 471,801.70

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Solution

The fourth proportional to 976,998.70, 1,465,498.05 and 471,801.70 is: 707,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,998.70 : 1,465,498.05 = 471,801.70 : x
  2. Step 2: Convert to fraction form
    976,998.70/1,465,498.05 = 471,801.70/x
  3. Step 3: Cross multiply
    976,998.70x = 1,465,498.05 × 471,801.70
  4. Step 4: Simplify right side
    976,998.70x = 691,424,471,336.69
  5. Step 5: Solve for x
    x = 691,424,471,336.69/976,998.70
  6. Step 6: Final answer
    x = 707,702.55

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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.