Home / 419,247.48-578,532.34-237,963.12

Finding the Fourth Proportional to 419,247.48, 578,532.34 and 237,963.12

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Solution

The fourth proportional to 419,247.48, 578,532.34 and 237,963.12 is: 328,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,247.48 : 578,532.34 = 237,963.12 : x
  2. Step 2: Convert to fraction form
    419,247.48/578,532.34 = 237,963.12/x
  3. Step 3: Cross multiply
    419,247.48x = 578,532.34 × 237,963.12
  4. Step 4: Simplify right side
    419,247.48x = 137,669,360,647.30
  5. Step 5: Solve for x
    x = 137,669,360,647.30/419,247.48
  6. Step 6: Final answer
    x = 328,372.54

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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.