Home / 624,621.42-861,970.41-338,135.22

Finding the Fourth Proportional to 624,621.42, 861,970.41 and 338,135.22

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Solution

The fourth proportional to 624,621.42, 861,970.41 and 338,135.22 is: 466,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,621.42 : 861,970.41 = 338,135.22 : x
  2. Step 2: Convert to fraction form
    624,621.42/861,970.41 = 338,135.22/x
  3. Step 3: Cross multiply
    624,621.42x = 861,970.41 × 338,135.22
  4. Step 4: Simplify right side
    624,621.42x = 291,462,554,218.84
  5. Step 5: Solve for x
    x = 291,462,554,218.84/624,621.42
  6. Step 6: Final answer
    x = 466,622.73

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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.