Home / 1,215,364.76-1,677,237.18-671,535.58

Finding the Fourth Proportional to 1,215,364.76, 1,677,237.18 and 671,535.58

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Solution

The fourth proportional to 1,215,364.76, 1,677,237.18 and 671,535.58 is: 926,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,364.76 : 1,677,237.18 = 671,535.58 : x
  2. Step 2: Convert to fraction form
    1,215,364.76/1,677,237.18 = 671,535.58/x
  3. Step 3: Cross multiply
    1,215,364.76x = 1,677,237.18 × 671,535.58
  4. Step 4: Simplify right side
    1,215,364.76x = 1,126,324,438,275.77
  5. Step 5: Solve for x
    x = 1,126,324,438,275.77/1,215,364.76
  6. Step 6: Final answer
    x = 926,737.78

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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.