Home / 740,053.70-1,110,523.40-319,329.57

Finding the Fourth Proportional to 740,053.70, 1,110,523.40 and 319,329.57

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Solution

The fourth proportional to 740,053.70, 1,110,523.40 and 319,329.57 is: 479,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,053.70 : 1,110,523.40 = 319,329.57 : x
  2. Step 2: Convert to fraction form
    740,053.70/1,110,523.40 = 319,329.57/x
  3. Step 3: Cross multiply
    740,053.70x = 1,110,523.40 × 319,329.57
  4. Step 4: Simplify right side
    740,053.70x = 354,622,960,595.26
  5. Step 5: Solve for x
    x = 354,622,960,595.26/740,053.70
  6. Step 6: Final answer
    x = 479,185.45

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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.