Home / 1,226,500.80-1,839,095.10-515,725.80

Finding the Fourth Proportional to 1,226,500.80, 1,839,095.10 and 515,725.80

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Solution

The fourth proportional to 1,226,500.80, 1,839,095.10 and 515,725.80 is: 773,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,500.80 : 1,839,095.10 = 515,725.80 : x
  2. Step 2: Convert to fraction form
    1,226,500.80/1,839,095.10 = 515,725.80/x
  3. Step 3: Cross multiply
    1,226,500.80x = 1,839,095.10 × 515,725.80
  4. Step 4: Simplify right side
    1,226,500.80x = 948,468,791,723.58
  5. Step 5: Solve for x
    x = 948,468,791,723.58/1,226,500.80
  6. Step 6: Final answer
    x = 773,312.82

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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.