Home / 1,338,170.66-2,009,248.92-541,009.16

Finding the Fourth Proportional to 1,338,170.66, 2,009,248.92 and 541,009.16

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Solution

The fourth proportional to 1,338,170.66, 2,009,248.92 and 541,009.16 is: 812,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,170.66 : 2,009,248.92 = 541,009.16 : x
  2. Step 2: Convert to fraction form
    1,338,170.66/2,009,248.92 = 541,009.16/x
  3. Step 3: Cross multiply
    1,338,170.66x = 2,009,248.92 × 541,009.16
  4. Step 4: Simplify right side
    1,338,170.66x = 1,087,022,070,440.11
  5. Step 5: Solve for x
    x = 1,087,022,070,440.11/1,338,170.66
  6. Step 6: Final answer
    x = 812,319.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.