Home / 1,012,520.16-1,519,199.28-443,607.12

Finding the Fourth Proportional to 1,012,520.16, 1,519,199.28 and 443,607.12

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Solution

The fourth proportional to 1,012,520.16, 1,519,199.28 and 443,607.12 is: 665,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,520.16 : 1,519,199.28 = 443,607.12 : x
  2. Step 2: Convert to fraction form
    1,012,520.16/1,519,199.28 = 443,607.12/x
  3. Step 3: Cross multiply
    1,012,520.16x = 1,519,199.28 × 443,607.12
  4. Step 4: Simplify right side
    1,012,520.16x = 673,927,617,306.87
  5. Step 5: Solve for x
    x = 673,927,617,306.87/1,012,520.16
  6. Step 6: Final answer
    x = 665,594.27

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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.