Home / 459,119.87-688,803.72-159,617.04

Finding the Fourth Proportional to 459,119.87, 688,803.72 and 159,617.04

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Solution

The fourth proportional to 459,119.87, 688,803.72 and 159,617.04 is: 239,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,119.87 : 688,803.72 = 159,617.04 : x
  2. Step 2: Convert to fraction form
    459,119.87/688,803.72 = 159,617.04/x
  3. Step 3: Cross multiply
    459,119.87x = 688,803.72 × 159,617.04
  4. Step 4: Simplify right side
    459,119.87x = 109,944,810,927.39
  5. Step 5: Solve for x
    x = 109,944,810,927.39/459,119.87
  6. Step 6: Final answer
    x = 239,468.64

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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.