Home / 459,059.46-688,534.34-122,124.75

Finding the Fourth Proportional to 459,059.46, 688,534.34 and 122,124.75

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Solution

The fourth proportional to 459,059.46, 688,534.34 and 122,124.75 is: 183,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,059.46 : 688,534.34 = 122,124.75 : x
  2. Step 2: Convert to fraction form
    459,059.46/688,534.34 = 122,124.75/x
  3. Step 3: Cross multiply
    459,059.46x = 688,534.34 × 122,124.75
  4. Step 4: Simplify right side
    459,059.46x = 84,087,083,528.29
  5. Step 5: Solve for x
    x = 84,087,083,528.29/459,059.46
  6. Step 6: Final answer
    x = 183,172.53

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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.