Home / 1,369,193.40-2,053,790.10-371,921.40

Finding the Fourth Proportional to 1,369,193.40, 2,053,790.10 and 371,921.40

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Solution

The fourth proportional to 1,369,193.40, 2,053,790.10 and 371,921.40 is: 557,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,193.40 : 2,053,790.10 = 371,921.40 : x
  2. Step 2: Convert to fraction form
    1,369,193.40/2,053,790.10 = 371,921.40/x
  3. Step 3: Cross multiply
    1,369,193.40x = 2,053,790.10 × 371,921.40
  4. Step 4: Simplify right side
    1,369,193.40x = 763,848,489,298.14
  5. Step 5: Solve for x
    x = 763,848,489,298.14/1,369,193.40
  6. Step 6: Final answer
    x = 557,882.10

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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.