Home / 850,626.36-1,172,786.04-560,192.76

Finding the Fourth Proportional to 850,626.36, 1,172,786.04 and 560,192.76

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Solution

The fourth proportional to 850,626.36, 1,172,786.04 and 560,192.76 is: 772,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,626.36 : 1,172,786.04 = 560,192.76 : x
  2. Step 2: Convert to fraction form
    850,626.36/1,172,786.04 = 560,192.76/x
  3. Step 3: Cross multiply
    850,626.36x = 1,172,786.04 × 560,192.76
  4. Step 4: Simplify right side
    850,626.36x = 656,986,248,637.07
  5. Step 5: Solve for x
    x = 656,986,248,637.07/850,626.36
  6. Step 6: Final answer
    x = 772,355.85

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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.