Home / 1,227,520.86-1,693,925.91-887,398.62

Finding the Fourth Proportional to 1,227,520.86, 1,693,925.91 and 887,398.62

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Solution

The fourth proportional to 1,227,520.86, 1,693,925.91 and 887,398.62 is: 1,224,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,520.86 : 1,693,925.91 = 887,398.62 : x
  2. Step 2: Convert to fraction form
    1,227,520.86/1,693,925.91 = 887,398.62/x
  3. Step 3: Cross multiply
    1,227,520.86x = 1,693,925.91 × 887,398.62
  4. Step 4: Simplify right side
    1,227,520.86x = 1,503,187,514,916.24
  5. Step 5: Solve for x
    x = 1,503,187,514,916.24/1,227,520.86
  6. Step 6: Final answer
    x = 1,224,571.87

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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.