Home / 822,780.66-1,135,542.47-460,224.66

Finding the Fourth Proportional to 822,780.66, 1,135,542.47 and 460,224.66

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Solution

The fourth proportional to 822,780.66, 1,135,542.47 and 460,224.66 is: 635,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,780.66 : 1,135,542.47 = 460,224.66 : x
  2. Step 2: Convert to fraction form
    822,780.66/1,135,542.47 = 460,224.66/x
  3. Step 3: Cross multiply
    822,780.66x = 1,135,542.47 × 460,224.66
  4. Step 4: Simplify right side
    822,780.66x = 522,604,644,870.19
  5. Step 5: Solve for x
    x = 522,604,644,870.19/822,780.66
  6. Step 6: Final answer
    x = 635,168.85

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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.