Home / 1,277,663.39-1,916,866.16-413,079.85

Finding the Fourth Proportional to 1,277,663.39, 1,916,866.16 and 413,079.85

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Solution

The fourth proportional to 1,277,663.39, 1,916,866.16 and 413,079.85 is: 619,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,663.39 : 1,916,866.16 = 413,079.85 : x
  2. Step 2: Convert to fraction form
    1,277,663.39/1,916,866.16 = 413,079.85/x
  3. Step 3: Cross multiply
    1,277,663.39x = 1,916,866.16 × 413,079.85
  4. Step 4: Simplify right side
    1,277,663.39x = 791,818,782,083.41
  5. Step 5: Solve for x
    x = 791,818,782,083.41/1,277,663.39
  6. Step 6: Final answer
    x = 619,739.75

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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.