Home / 728,036.25-1,092,109.59-248,114.85

Finding the Fourth Proportional to 728,036.25, 1,092,109.59 and 248,114.85

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Solution

The fourth proportional to 728,036.25, 1,092,109.59 and 248,114.85 is: 372,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,036.25 : 1,092,109.59 = 248,114.85 : x
  2. Step 2: Convert to fraction form
    728,036.25/1,092,109.59 = 248,114.85/x
  3. Step 3: Cross multiply
    728,036.25x = 1,092,109.59 × 248,114.85
  4. Step 4: Simplify right side
    728,036.25x = 270,968,607,106.41
  5. Step 5: Solve for x
    x = 270,968,607,106.41/728,036.25
  6. Step 6: Final answer
    x = 372,191.09

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Double scale
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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.