Home / 844,106.01-1,165,030.24-639,800.57

Finding the Fourth Proportional to 844,106.01, 1,165,030.24 and 639,800.57

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Solution

The fourth proportional to 844,106.01, 1,165,030.24 and 639,800.57 is: 883,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,106.01 : 1,165,030.24 = 639,800.57 : x
  2. Step 2: Convert to fraction form
    844,106.01/1,165,030.24 = 639,800.57/x
  3. Step 3: Cross multiply
    844,106.01x = 1,165,030.24 × 639,800.57
  4. Step 4: Simplify right side
    844,106.01x = 745,387,014,131.94
  5. Step 5: Solve for x
    x = 745,387,014,131.94/844,106.01
  6. Step 6: Final answer
    x = 883,049.05

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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.