Home / 1,102,000.57-1,520,766.78-618,571.51

Finding the Fourth Proportional to 1,102,000.57, 1,520,766.78 and 618,571.51

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Solution

The fourth proportional to 1,102,000.57, 1,520,766.78 and 618,571.51 is: 853,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,000.57 : 1,520,766.78 = 618,571.51 : x
  2. Step 2: Convert to fraction form
    1,102,000.57/1,520,766.78 = 618,571.51/x
  3. Step 3: Cross multiply
    1,102,000.57x = 1,520,766.78 × 618,571.51
  4. Step 4: Simplify right side
    1,102,000.57x = 940,703,003,462.44
  5. Step 5: Solve for x
    x = 940,703,003,462.44/1,102,000.57
  6. Step 6: Final answer
    x = 853,632.05

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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.