Home / 822,629.20-1,135,220.20-460,048.88

Finding the Fourth Proportional to 822,629.20, 1,135,220.20 and 460,048.88

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Solution

The fourth proportional to 822,629.20, 1,135,220.20 and 460,048.88 is: 634,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,629.20 : 1,135,220.20 = 460,048.88 : x
  2. Step 2: Convert to fraction form
    822,629.20/1,135,220.20 = 460,048.88/x
  3. Step 3: Cross multiply
    822,629.20x = 1,135,220.20 × 460,048.88
  4. Step 4: Simplify right side
    822,629.20x = 522,256,781,563.38
  5. Step 5: Solve for x
    x = 522,256,781,563.38/822,629.20
  6. Step 6: Final answer
    x = 634,862.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.