Home / 1,591,292.43-2,196,405.95-979,957.76

Finding the Fourth Proportional to 1,591,292.43, 2,196,405.95 and 979,957.76

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Solution

The fourth proportional to 1,591,292.43, 2,196,405.95 and 979,957.76 is: 1,352,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,292.43 : 2,196,405.95 = 979,957.76 : x
  2. Step 2: Convert to fraction form
    1,591,292.43/2,196,405.95 = 979,957.76/x
  3. Step 3: Cross multiply
    1,591,292.43x = 2,196,405.95 × 979,957.76
  4. Step 4: Simplify right side
    1,591,292.43x = 2,152,385,038,930.85
  5. Step 5: Solve for x
    x = 2,152,385,038,930.85/1,591,292.43
  6. Step 6: Final answer
    x = 1,352,601.82

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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.