Home / 448,135-618,439.28-246,943.96

Finding the Fourth Proportional to 448,135, 618,439.28 and 246,943.96

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Solution

The fourth proportional to 448,135, 618,439.28 and 246,943.96 is: 340,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,135 : 618,439.28 = 246,943.96 : x
  2. Step 2: Convert to fraction form
    448,135/618,439.28 = 246,943.96/x
  3. Step 3: Cross multiply
    448,135x = 618,439.28 × 246,943.96
  4. Step 4: Simplify right side
    448,135x = 152,719,844,822.75
  5. Step 5: Solve for x
    x = 152,719,844,822.75/448,135
  6. Step 6: Final answer
    x = 340,789.82

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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.