Home / 1,095,839.57-1,512,264.20-612,412.79

Finding the Fourth Proportional to 1,095,839.57, 1,512,264.20 and 612,412.79

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Solution

The fourth proportional to 1,095,839.57, 1,512,264.20 and 612,412.79 is: 845,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,839.57 : 1,512,264.20 = 612,412.79 : x
  2. Step 2: Convert to fraction form
    1,095,839.57/1,512,264.20 = 612,412.79/x
  3. Step 3: Cross multiply
    1,095,839.57x = 1,512,264.20 × 612,412.79
  4. Step 4: Simplify right side
    1,095,839.57x = 926,129,927,315.73
  5. Step 5: Solve for x
    x = 926,129,927,315.73/1,095,839.57
  6. Step 6: Final answer
    x = 845,132.77

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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.