Home / 1,227,227.60-1,839,834.84-553,106.72

Finding the Fourth Proportional to 1,227,227.60, 1,839,834.84 and 553,106.72

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Solution

The fourth proportional to 1,227,227.60, 1,839,834.84 and 553,106.72 is: 829,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,227.60 : 1,839,834.84 = 553,106.72 : x
  2. Step 2: Convert to fraction form
    1,227,227.60/1,839,834.84 = 553,106.72/x
  3. Step 3: Cross multiply
    1,227,227.60x = 1,839,834.84 × 553,106.72
  4. Step 4: Simplify right side
    1,227,227.60x = 1,017,625,013,694.12
  5. Step 5: Solve for x
    x = 1,017,625,013,694.12/1,227,227.60
  6. Step 6: Final answer
    x = 829,206.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.