Home / 1,119,571.20-1,679,395.68-361,411.20

Finding the Fourth Proportional to 1,119,571.20, 1,679,395.68 and 361,411.20

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Solution

The fourth proportional to 1,119,571.20, 1,679,395.68 and 361,411.20 is: 542,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,571.20 : 1,679,395.68 = 361,411.20 : x
  2. Step 2: Convert to fraction form
    1,119,571.20/1,679,395.68 = 361,411.20/x
  3. Step 3: Cross multiply
    1,119,571.20x = 1,679,395.68 × 361,411.20
  4. Step 4: Simplify right side
    1,119,571.20x = 606,952,407,983.62
  5. Step 5: Solve for x
    x = 606,952,407,983.62/1,119,571.20
  6. Step 6: Final answer
    x = 542,129.35

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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.