Home / 897,107.40-1,238,012.10-534,713.40

Finding the Fourth Proportional to 897,107.40, 1,238,012.10 and 534,713.40

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Solution

The fourth proportional to 897,107.40, 1,238,012.10 and 534,713.40 is: 737,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,107.40 : 1,238,012.10 = 534,713.40 : x
  2. Step 2: Convert to fraction form
    897,107.40/1,238,012.10 = 534,713.40/x
  3. Step 3: Cross multiply
    897,107.40x = 1,238,012.10 × 534,713.40
  4. Step 4: Simplify right side
    897,107.40x = 661,981,659,232.14
  5. Step 5: Solve for x
    x = 661,981,659,232.14/897,107.40
  6. Step 6: Final answer
    x = 737,906.81

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Double scale
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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.