Home / 728,975.19-1,092,576.24-515,804.52

Finding the Fourth Proportional to 728,975.19, 1,092,576.24 and 515,804.52

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Solution

The fourth proportional to 728,975.19, 1,092,576.24 and 515,804.52 is: 773,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,975.19 : 1,092,576.24 = 515,804.52 : x
  2. Step 2: Convert to fraction form
    728,975.19/1,092,576.24 = 515,804.52/x
  3. Step 3: Cross multiply
    728,975.19x = 1,092,576.24 × 515,804.52
  4. Step 4: Simplify right side
    728,975.19x = 563,555,763,036.61
  5. Step 5: Solve for x
    x = 563,555,763,036.61/728,975.19
  6. Step 6: Final answer
    x = 773,079.48

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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.