Home / 1,023,668.49-1,413,115.47-661,269.03

Finding the Fourth Proportional to 1,023,668.49, 1,413,115.47 and 661,269.03

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Solution

The fourth proportional to 1,023,668.49, 1,413,115.47 and 661,269.03 is: 912,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,668.49 : 1,413,115.47 = 661,269.03 : x
  2. Step 2: Convert to fraction form
    1,023,668.49/1,413,115.47 = 661,269.03/x
  3. Step 3: Cross multiply
    1,023,668.49x = 1,413,115.47 × 661,269.03
  4. Step 4: Simplify right side
    1,023,668.49x = 934,449,496,124.89
  5. Step 5: Solve for x
    x = 934,449,496,124.89/1,023,668.49
  6. Step 6: Final answer
    x = 912,843.86

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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.