Home / 1,267,648.02-1,749,521.82-723,660.96

Finding the Fourth Proportional to 1,267,648.02, 1,749,521.82 and 723,660.96

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Solution

The fourth proportional to 1,267,648.02, 1,749,521.82 and 723,660.96 is: 998,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,648.02 : 1,749,521.82 = 723,660.96 : x
  2. Step 2: Convert to fraction form
    1,267,648.02/1,749,521.82 = 723,660.96/x
  3. Step 3: Cross multiply
    1,267,648.02x = 1,749,521.82 × 723,660.96
  4. Step 4: Simplify right side
    1,267,648.02x = 1,266,060,639,802.15
  5. Step 5: Solve for x
    x = 1,266,060,639,802.15/1,267,648.02
  6. Step 6: Final answer
    x = 998,747.78

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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.