Home / 402,686.32-555,674.05-237,087.96

Finding the Fourth Proportional to 402,686.32, 555,674.05 and 237,087.96

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Solution

The fourth proportional to 402,686.32, 555,674.05 and 237,087.96 is: 327,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,686.32 : 555,674.05 = 237,087.96 : x
  2. Step 2: Convert to fraction form
    402,686.32/555,674.05 = 237,087.96/x
  3. Step 3: Cross multiply
    402,686.32x = 555,674.05 × 237,087.96
  4. Step 4: Simplify right side
    402,686.32x = 131,743,627,610.88
  5. Step 5: Solve for x
    x = 131,743,627,610.88/402,686.32
  6. Step 6: Final answer
    x = 327,161.92

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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.