Home / 624,868.35-862,314.03-338,381.88

Finding the Fourth Proportional to 624,868.35, 862,314.03 and 338,381.88

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Solution

The fourth proportional to 624,868.35, 862,314.03 and 338,381.88 is: 466,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,868.35 : 862,314.03 = 338,381.88 : x
  2. Step 2: Convert to fraction form
    624,868.35/862,314.03 = 338,381.88/x
  3. Step 3: Cross multiply
    624,868.35x = 862,314.03 × 338,381.88
  4. Step 4: Simplify right side
    624,868.35x = 291,791,442,621.78
  5. Step 5: Solve for x
    x = 291,791,442,621.78/624,868.35
  6. Step 6: Final answer
    x = 466,964.67

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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.