Home / 424,934.10-637,401.15-235,977.30

Finding the Fourth Proportional to 424,934.10, 637,401.15 and 235,977.30

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Solution

The fourth proportional to 424,934.10, 637,401.15 and 235,977.30 is: 353,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,934.10 : 637,401.15 = 235,977.30 : x
  2. Step 2: Convert to fraction form
    424,934.10/637,401.15 = 235,977.30/x
  3. Step 3: Cross multiply
    424,934.10x = 637,401.15 × 235,977.30
  4. Step 4: Simplify right side
    424,934.10x = 150,412,202,393.90
  5. Step 5: Solve for x
    x = 150,412,202,393.90/424,934.10
  6. Step 6: Final answer
    x = 353,965.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.