Home / 730,010.40-1,095,015.56-231,374.40

Finding the Fourth Proportional to 730,010.40, 1,095,015.56 and 231,374.40

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Solution

The fourth proportional to 730,010.40, 1,095,015.56 and 231,374.40 is: 347,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,010.40 : 1,095,015.56 = 231,374.40 : x
  2. Step 2: Convert to fraction form
    730,010.40/1,095,015.56 = 231,374.40/x
  3. Step 3: Cross multiply
    730,010.40x = 1,095,015.56 × 231,374.40
  4. Step 4: Simplify right side
    730,010.40x = 253,358,568,185.66
  5. Step 5: Solve for x
    x = 253,358,568,185.66/730,010.40
  6. Step 6: Final answer
    x = 347,061.59

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Double scale
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Similar ratio
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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.