Home / 864,134.77-1,192,173.38-541,282.81

Finding the Fourth Proportional to 864,134.77, 1,192,173.38 and 541,282.81

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Solution

The fourth proportional to 864,134.77, 1,192,173.38 and 541,282.81 is: 746,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,134.77 : 1,192,173.38 = 541,282.81 : x
  2. Step 2: Convert to fraction form
    864,134.77/1,192,173.38 = 541,282.81/x
  3. Step 3: Cross multiply
    864,134.77x = 1,192,173.38 × 541,282.81
  4. Step 4: Simplify right side
    864,134.77x = 645,302,954,153.16
  5. Step 5: Solve for x
    x = 645,302,954,153.16/864,134.77
  6. Step 6: Final answer
    x = 746,761.94

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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.