Home / 1,149,003.12-1,585,852.92-665,675.76

Finding the Fourth Proportional to 1,149,003.12, 1,585,852.92 and 665,675.76

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Solution

The fourth proportional to 1,149,003.12, 1,585,852.92 and 665,675.76 is: 918,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,003.12 : 1,585,852.92 = 665,675.76 : x
  2. Step 2: Convert to fraction form
    1,149,003.12/1,585,852.92 = 665,675.76/x
  3. Step 3: Cross multiply
    1,149,003.12x = 1,585,852.92 × 665,675.76
  4. Step 4: Simplify right side
    1,149,003.12x = 1,055,663,847,769.22
  5. Step 5: Solve for x
    x = 1,055,663,847,769.22/1,149,003.12
  6. Step 6: Final answer
    x = 918,765.00

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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.