Home / 1,198,646.18-1,654,182-689,348.96

Finding the Fourth Proportional to 1,198,646.18, 1,654,182 and 689,348.96

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Solution

The fourth proportional to 1,198,646.18, 1,654,182 and 689,348.96 is: 951,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,646.18 : 1,654,182 = 689,348.96 : x
  2. Step 2: Convert to fraction form
    1,198,646.18/1,654,182 = 689,348.96/x
  3. Step 3: Cross multiply
    1,198,646.18x = 1,654,182 × 689,348.96
  4. Step 4: Simplify right side
    1,198,646.18x = 1,140,308,641,350.72
  5. Step 5: Solve for x
    x = 1,140,308,641,350.72/1,198,646.18
  6. Step 6: Final answer
    x = 951,330.48

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.