Home / 634,440.28-951,909.50-279,205.11

Finding the Fourth Proportional to 634,440.28, 951,909.50 and 279,205.11

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Solution

The fourth proportional to 634,440.28, 951,909.50 and 279,205.11 is: 418,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,440.28 : 951,909.50 = 279,205.11 : x
  2. Step 2: Convert to fraction form
    634,440.28/951,909.50 = 279,205.11/x
  3. Step 3: Cross multiply
    634,440.28x = 951,909.50 × 279,205.11
  4. Step 4: Simplify right side
    634,440.28x = 265,777,995,261.52
  5. Step 5: Solve for x
    x = 265,777,995,261.52/634,440.28
  6. Step 6: Final answer
    x = 418,917.28

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1.5x scale

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.