Home / 728,752.47-1,093,089.30-223,314.91

Finding the Fourth Proportional to 728,752.47, 1,093,089.30 and 223,314.91

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Solution

The fourth proportional to 728,752.47, 1,093,089.30 and 223,314.91 is: 334,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,752.47 : 1,093,089.30 = 223,314.91 : x
  2. Step 2: Convert to fraction form
    728,752.47/1,093,089.30 = 223,314.91/x
  3. Step 3: Cross multiply
    728,752.47x = 1,093,089.30 × 223,314.91
  4. Step 4: Simplify right side
    728,752.47x = 244,103,138,651.46
  5. Step 5: Solve for x
    x = 244,103,138,651.46/728,752.47
  6. Step 6: Final answer
    x = 334,960.29

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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.