Home / 982,680.29-1,356,128.98-535,161.14

Finding the Fourth Proportional to 982,680.29, 1,356,128.98 and 535,161.14

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Solution

The fourth proportional to 982,680.29, 1,356,128.98 and 535,161.14 is: 738,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,680.29 : 1,356,128.98 = 535,161.14 : x
  2. Step 2: Convert to fraction form
    982,680.29/1,356,128.98 = 535,161.14/x
  3. Step 3: Cross multiply
    982,680.29x = 1,356,128.98 × 535,161.14
  4. Step 4: Simplify right side
    982,680.29x = 725,747,532,976.26
  5. Step 5: Solve for x
    x = 725,747,532,976.26/982,680.29
  6. Step 6: Final answer
    x = 738,538.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.