Home / 325,535.09-487,712.12-240,356.88

Finding the Fourth Proportional to 325,535.09, 487,712.12 and 240,356.88

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Solution

The fourth proportional to 325,535.09, 487,712.12 and 240,356.88 is: 360,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,535.09 : 487,712.12 = 240,356.88 : x
  2. Step 2: Convert to fraction form
    325,535.09/487,712.12 = 240,356.88/x
  3. Step 3: Cross multiply
    325,535.09x = 487,712.12 × 240,356.88
  4. Step 4: Simplify right side
    325,535.09x = 117,224,962,299.60
  5. Step 5: Solve for x
    x = 117,224,962,299.60/325,535.09
  6. Step 6: Final answer
    x = 360,099.32

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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.