Home / 1,256,902.38-1,885,648.86-415,454.13

Finding the Fourth Proportional to 1,256,902.38, 1,885,648.86 and 415,454.13

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Solution

The fourth proportional to 1,256,902.38, 1,885,648.86 and 415,454.13 is: 623,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,902.38 : 1,885,648.86 = 415,454.13 : x
  2. Step 2: Convert to fraction form
    1,256,902.38/1,885,648.86 = 415,454.13/x
  3. Step 3: Cross multiply
    1,256,902.38x = 1,885,648.86 × 415,454.13
  4. Step 4: Simplify right side
    1,256,902.38x = 783,400,606,616.79
  5. Step 5: Solve for x
    x = 783,400,606,616.79/1,256,902.38
  6. Step 6: Final answer
    x = 623,278.80

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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.