Home / 419,010.12-578,247.08-237,729.69

Finding the Fourth Proportional to 419,010.12, 578,247.08 and 237,729.69

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Solution

The fourth proportional to 419,010.12, 578,247.08 and 237,729.69 is: 328,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,010.12 : 578,247.08 = 237,729.69 : x
  2. Step 2: Convert to fraction form
    419,010.12/578,247.08 = 237,729.69/x
  3. Step 3: Cross multiply
    419,010.12x = 578,247.08 × 237,729.69
  4. Step 4: Simplify right side
    419,010.12x = 137,466,497,883.16
  5. Step 5: Solve for x
    x = 137,466,497,883.16/419,010.12
  6. Step 6: Final answer
    x = 328,074.41

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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.