Home / 419,247.13-578,613.30-238,017.73

Finding the Fourth Proportional to 419,247.13, 578,613.30 and 238,017.73

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Solution

The fourth proportional to 419,247.13, 578,613.30 and 238,017.73 is: 328,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,247.13 : 578,613.30 = 238,017.73 : x
  2. Step 2: Convert to fraction form
    419,247.13/578,613.30 = 238,017.73/x
  3. Step 3: Cross multiply
    419,247.13x = 578,613.30 × 238,017.73
  4. Step 4: Simplify right side
    419,247.13x = 137,720,224,213.81
  5. Step 5: Solve for x
    x = 137,720,224,213.81/419,247.13
  6. Step 6: Final answer
    x = 328,494.14

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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.