Home / 1,791,320.76-2,472,011.82-986,499

Finding the Fourth Proportional to 1,791,320.76, 2,472,011.82 and 986,499

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Solution

The fourth proportional to 1,791,320.76, 2,472,011.82 and 986,499 is: 1,361,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,320.76 : 2,472,011.82 = 986,499 : x
  2. Step 2: Convert to fraction form
    1,791,320.76/2,472,011.82 = 986,499/x
  3. Step 3: Cross multiply
    1,791,320.76x = 2,472,011.82 × 986,499
  4. Step 4: Simplify right side
    1,791,320.76x = 2,438,637,188,418.18
  5. Step 5: Solve for x
    x = 2,438,637,188,418.18/1,791,320.76
  6. Step 6: Final answer
    x = 1,361,362.66

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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.