Home / 658,400.41-987,600.61-185,085.77

Finding the Fourth Proportional to 658,400.41, 987,600.61 and 185,085.77

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Solution

The fourth proportional to 658,400.41, 987,600.61 and 185,085.77 is: 277,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,400.41 : 987,600.61 = 185,085.77 : x
  2. Step 2: Convert to fraction form
    658,400.41/987,600.61 = 185,085.77/x
  3. Step 3: Cross multiply
    658,400.41x = 987,600.61 × 185,085.77
  4. Step 4: Simplify right side
    658,400.41x = 182,790,814,647.67
  5. Step 5: Solve for x
    x = 182,790,814,647.67/658,400.41
  6. Step 6: Final answer
    x = 277,628.65

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Similar ratio
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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.