Home / 1,177,938.78-1,625,511.24-719,819.40

Finding the Fourth Proportional to 1,177,938.78, 1,625,511.24 and 719,819.40

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Solution

The fourth proportional to 1,177,938.78, 1,625,511.24 and 719,819.40 is: 993,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,938.78 : 1,625,511.24 = 719,819.40 : x
  2. Step 2: Convert to fraction form
    1,177,938.78/1,625,511.24 = 719,819.40/x
  3. Step 3: Cross multiply
    1,177,938.78x = 1,625,511.24 × 719,819.40
  4. Step 4: Simplify right side
    1,177,938.78x = 1,170,074,525,470.06
  5. Step 5: Solve for x
    x = 1,170,074,525,470.06/1,177,938.78
  6. Step 6: Final answer
    x = 993,323.72

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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.