Home / 1,182,970.60-1,632,500.19-639,106.07

Finding the Fourth Proportional to 1,182,970.60, 1,632,500.19 and 639,106.07

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Solution

The fourth proportional to 1,182,970.60, 1,632,500.19 and 639,106.07 is: 881,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,970.60 : 1,632,500.19 = 639,106.07 : x
  2. Step 2: Convert to fraction form
    1,182,970.60/1,632,500.19 = 639,106.07/x
  3. Step 3: Cross multiply
    1,182,970.60x = 1,632,500.19 × 639,106.07
  4. Step 4: Simplify right side
    1,182,970.60x = 1,043,340,772,542.65
  5. Step 5: Solve for x
    x = 1,043,340,772,542.65/1,182,970.60
  6. Step 6: Final answer
    x = 881,966.78

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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.