Home / 634,439.53-951,908.37-279,204.36

Finding the Fourth Proportional to 634,439.53, 951,908.37 and 279,204.36

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Solution

The fourth proportional to 634,439.53, 951,908.37 and 279,204.36 is: 418,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,439.53 : 951,908.37 = 279,204.36 : x
  2. Step 2: Convert to fraction form
    634,439.53/951,908.37 = 279,204.36/x
  3. Step 3: Cross multiply
    634,439.53x = 951,908.37 × 279,204.36
  4. Step 4: Simplify right side
    634,439.53x = 265,776,967,224.49
  5. Step 5: Solve for x
    x = 265,776,967,224.49/634,439.53
  6. Step 6: Final answer
    x = 418,916.15

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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.