Home / 370,770.24-511,391.16-243,399.36

Finding the Fourth Proportional to 370,770.24, 511,391.16 and 243,399.36

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Solution

The fourth proportional to 370,770.24, 511,391.16 and 243,399.36 is: 335,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,770.24 : 511,391.16 = 243,399.36 : x
  2. Step 2: Convert to fraction form
    370,770.24/511,391.16 = 243,399.36/x
  3. Step 3: Cross multiply
    370,770.24x = 511,391.16 × 243,399.36
  4. Step 4: Simplify right side
    370,770.24x = 124,472,281,053.66
  5. Step 5: Solve for x
    x = 124,472,281,053.66/370,770.24
  6. Step 6: Final answer
    x = 335,712.71

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1.5x scale

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.