Home / 755,849.40-1,132,243.20-470,664.60

Finding the Fourth Proportional to 755,849.40, 1,132,243.20 and 470,664.60

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Solution

The fourth proportional to 755,849.40, 1,132,243.20 and 470,664.60 is: 705,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,849.40 : 1,132,243.20 = 470,664.60 : x
  2. Step 2: Convert to fraction form
    755,849.40/1,132,243.20 = 470,664.60/x
  3. Step 3: Cross multiply
    755,849.40x = 1,132,243.20 × 470,664.60
  4. Step 4: Simplify right side
    755,849.40x = 532,906,792,830.72
  5. Step 5: Solve for x
    x = 532,906,792,830.72/755,849.40
  6. Step 6: Final answer
    x = 705,043.61

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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.