Home / 624,657.25-862,031.46-338,178.07

Finding the Fourth Proportional to 624,657.25, 862,031.46 and 338,178.07

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Solution

The fourth proportional to 624,657.25, 862,031.46 and 338,178.07 is: 466,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,657.25 : 862,031.46 = 338,178.07 : x
  2. Step 2: Convert to fraction form
    624,657.25/862,031.46 = 338,178.07/x
  3. Step 3: Cross multiply
    624,657.25x = 862,031.46 × 338,178.07
  4. Step 4: Simplify right side
    624,657.25x = 291,520,135,422.08
  5. Step 5: Solve for x
    x = 291,520,135,422.08/624,657.25
  6. Step 6: Final answer
    x = 466,688.15

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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.