Home / 728,935.30-1,093,612.79-223,570.43

Finding the Fourth Proportional to 728,935.30, 1,093,612.79 and 223,570.43

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Solution

The fourth proportional to 728,935.30, 1,093,612.79 and 223,570.43 is: 335,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,935.30 : 1,093,612.79 = 223,570.43 : x
  2. Step 2: Convert to fraction form
    728,935.30/1,093,612.79 = 223,570.43/x
  3. Step 3: Cross multiply
    728,935.30x = 1,093,612.79 × 223,570.43
  4. Step 4: Simplify right side
    728,935.30x = 244,499,480,905.71
  5. Step 5: Solve for x
    x = 244,499,480,905.71/728,935.30
  6. Step 6: Final answer
    x = 335,420.00

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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.