Home / 1,764,989.28-2,434,350.72-1,222,033.92

Finding the Fourth Proportional to 1,764,989.28, 2,434,350.72 and 1,222,033.92

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Solution

The fourth proportional to 1,764,989.28, 2,434,350.72 and 1,222,033.92 is: 1,685,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,989.28 : 2,434,350.72 = 1,222,033.92 : x
  2. Step 2: Convert to fraction form
    1,764,989.28/2,434,350.72 = 1,222,033.92/x
  3. Step 3: Cross multiply
    1,764,989.28x = 2,434,350.72 × 1,222,033.92
  4. Step 4: Simplify right side
    1,764,989.28x = 2,974,859,153,016.42
  5. Step 5: Solve for x
    x = 2,974,859,153,016.42/1,764,989.28
  6. Step 6: Final answer
    x = 1,685,482.84

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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.