Home / 928,994.05-1,282,009.15-515,593.22

Finding the Fourth Proportional to 928,994.05, 1,282,009.15 and 515,593.22

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Solution

The fourth proportional to 928,994.05, 1,282,009.15 and 515,593.22 is: 711,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,994.05 : 1,282,009.15 = 515,593.22 : x
  2. Step 2: Convert to fraction form
    928,994.05/1,282,009.15 = 515,593.22/x
  3. Step 3: Cross multiply
    928,994.05x = 1,282,009.15 × 515,593.22
  4. Step 4: Simplify right side
    928,994.05x = 660,995,229,319.26
  5. Step 5: Solve for x
    x = 660,995,229,319.26/928,994.05
  6. Step 6: Final answer
    x = 711,517.18

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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.