Home / 822,062.72-1,134,796.32-499,876.32

Finding the Fourth Proportional to 822,062.72, 1,134,796.32 and 499,876.32

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Solution

The fourth proportional to 822,062.72, 1,134,796.32 and 499,876.32 is: 690,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,062.72 : 1,134,796.32 = 499,876.32 : x
  2. Step 2: Convert to fraction form
    822,062.72/1,134,796.32 = 499,876.32/x
  3. Step 3: Cross multiply
    822,062.72x = 1,134,796.32 × 499,876.32
  4. Step 4: Simplify right side
    822,062.72x = 567,257,808,391.14
  5. Step 5: Solve for x
    x = 567,257,808,391.14/822,062.72
  6. Step 6: Final answer
    x = 690,042.01

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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.