Home / 459,386.97-689,025.78-122,452.89

Finding the Fourth Proportional to 459,386.97, 689,025.78 and 122,452.89

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Solution

The fourth proportional to 459,386.97, 689,025.78 and 122,452.89 is: 183,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,386.97 : 689,025.78 = 122,452.89 : x
  2. Step 2: Convert to fraction form
    459,386.97/689,025.78 = 122,452.89/x
  3. Step 3: Cross multiply
    459,386.97x = 689,025.78 × 122,452.89
  4. Step 4: Simplify right side
    459,386.97x = 84,373,198,045.50
  5. Step 5: Solve for x
    x = 84,373,198,045.50/459,386.97
  6. Step 6: Final answer
    x = 183,664.76

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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.