Home / 1,095,705.45-1,512,044.51-612,274.57

Finding the Fourth Proportional to 1,095,705.45, 1,512,044.51 and 612,274.57

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Solution

The fourth proportional to 1,095,705.45, 1,512,044.51 and 612,274.57 is: 844,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,705.45 : 1,512,044.51 = 612,274.57 : x
  2. Step 2: Convert to fraction form
    1,095,705.45/1,512,044.51 = 612,274.57/x
  3. Step 3: Cross multiply
    1,095,705.45x = 1,512,044.51 × 612,274.57
  4. Step 4: Simplify right side
    1,095,705.45x = 925,786,399,119.74
  5. Step 5: Solve for x
    x = 925,786,399,119.74/1,095,705.45
  6. Step 6: Final answer
    x = 844,922.69

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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.