Home / 624,895.20-862,344.72-338,412.96

Finding the Fourth Proportional to 624,895.20, 862,344.72 and 338,412.96

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Solution

The fourth proportional to 624,895.20, 862,344.72 and 338,412.96 is: 467,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,895.20 : 862,344.72 = 338,412.96 : x
  2. Step 2: Convert to fraction form
    624,895.20/862,344.72 = 338,412.96/x
  3. Step 3: Cross multiply
    624,895.20x = 862,344.72 × 338,412.96
  4. Step 4: Simplify right side
    624,895.20x = 291,828,629,235.57
  5. Step 5: Solve for x
    x = 291,828,629,235.57/624,895.20
  6. Step 6: Final answer
    x = 467,004.11

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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.