Home / 439,628.40-659,443.68-124,085.16

Finding the Fourth Proportional to 439,628.40, 659,443.68 and 124,085.16

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Solution

The fourth proportional to 439,628.40, 659,443.68 and 124,085.16 is: 186,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,628.40 : 659,443.68 = 124,085.16 : x
  2. Step 2: Convert to fraction form
    439,628.40/659,443.68 = 124,085.16/x
  3. Step 3: Cross multiply
    439,628.40x = 659,443.68 × 124,085.16
  4. Step 4: Simplify right side
    439,628.40x = 81,827,174,543.79
  5. Step 5: Solve for x
    x = 81,827,174,543.79/439,628.40
  6. Step 6: Final answer
    x = 186,128.04

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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.