Home / 1,198,020.38-1,653,259.82-654,156

Finding the Fourth Proportional to 1,198,020.38, 1,653,259.82 and 654,156

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Solution

The fourth proportional to 1,198,020.38, 1,653,259.82 and 654,156 is: 902,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,020.38 : 1,653,259.82 = 654,156 : x
  2. Step 2: Convert to fraction form
    1,198,020.38/1,653,259.82 = 654,156/x
  3. Step 3: Cross multiply
    1,198,020.38x = 1,653,259.82 × 654,156
  4. Step 4: Simplify right side
    1,198,020.38x = 1,081,489,827,541.14
  5. Step 5: Solve for x
    x = 1,081,489,827,541.14/1,198,020.38
  6. Step 6: Final answer
    x = 902,730.75

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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.