Home / 574,318.12-792,541.38-319,662.76

Finding the Fourth Proportional to 574,318.12, 792,541.38 and 319,662.76

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Solution

The fourth proportional to 574,318.12, 792,541.38 and 319,662.76 is: 441,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,318.12 : 792,541.38 = 319,662.76 : x
  2. Step 2: Convert to fraction form
    574,318.12/792,541.38 = 319,662.76/x
  3. Step 3: Cross multiply
    574,318.12x = 792,541.38 × 319,662.76
  4. Step 4: Simplify right side
    574,318.12x = 253,345,964,945.01
  5. Step 5: Solve for x
    x = 253,345,964,945.01/574,318.12
  6. Step 6: Final answer
    x = 441,124.80

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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.