Home / 439,590.33-659,332.02-186,972.39

Finding the Fourth Proportional to 439,590.33, 659,332.02 and 186,972.39

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Solution

The fourth proportional to 439,590.33, 659,332.02 and 186,972.39 is: 280,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,590.33 : 659,332.02 = 186,972.39 : x
  2. Step 2: Convert to fraction form
    439,590.33/659,332.02 = 186,972.39/x
  3. Step 3: Cross multiply
    439,590.33x = 659,332.02 × 186,972.39
  4. Step 4: Simplify right side
    439,590.33x = 123,276,883,582.93
  5. Step 5: Solve for x
    x = 123,276,883,582.93/439,590.33
  6. Step 6: Final answer
    x = 280,435.84

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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.