Home / 746,800.76-1,120,205.20-185,835.28

Finding the Fourth Proportional to 746,800.76, 1,120,205.20 and 185,835.28

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Solution

The fourth proportional to 746,800.76, 1,120,205.20 and 185,835.28 is: 278,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,800.76 : 1,120,205.20 = 185,835.28 : x
  2. Step 2: Convert to fraction form
    746,800.76/1,120,205.20 = 185,835.28/x
  3. Step 3: Cross multiply
    746,800.76x = 1,120,205.20 × 185,835.28
  4. Step 4: Simplify right side
    746,800.76x = 208,173,646,999.46
  5. Step 5: Solve for x
    x = 208,173,646,999.46/746,800.76
  6. Step 6: Final answer
    x = 278,753.93

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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.