Home / 459,040.64-688,560.42-159,521.24

Finding the Fourth Proportional to 459,040.64, 688,560.42 and 159,521.24

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Solution

The fourth proportional to 459,040.64, 688,560.42 and 159,521.24 is: 239,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,040.64 : 688,560.42 = 159,521.24 : x
  2. Step 2: Convert to fraction form
    459,040.64/688,560.42 = 159,521.24/x
  3. Step 3: Cross multiply
    459,040.64x = 688,560.42 × 159,521.24
  4. Step 4: Simplify right side
    459,040.64x = 109,840,008,570.52
  5. Step 5: Solve for x
    x = 109,840,008,570.52/459,040.64
  6. Step 6: Final answer
    x = 239,281.67

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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.