Home / 1,228,337.88-1,842,506.82-479,859

Finding the Fourth Proportional to 1,228,337.88, 1,842,506.82 and 479,859

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Solution

The fourth proportional to 1,228,337.88, 1,842,506.82 and 479,859 is: 719,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,337.88 : 1,842,506.82 = 479,859 : x
  2. Step 2: Convert to fraction form
    1,228,337.88/1,842,506.82 = 479,859/x
  3. Step 3: Cross multiply
    1,228,337.88x = 1,842,506.82 × 479,859
  4. Step 4: Simplify right side
    1,228,337.88x = 884,143,480,138.38
  5. Step 5: Solve for x
    x = 884,143,480,138.38/1,228,337.88
  6. Step 6: Final answer
    x = 719,788.50

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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.