Home / 1,213,453.80-1,822,805.10-859,159.80

Finding the Fourth Proportional to 1,213,453.80, 1,822,805.10 and 859,159.80

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Solution

The fourth proportional to 1,213,453.80, 1,822,805.10 and 859,159.80 is: 1,290,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,453.80 : 1,822,805.10 = 859,159.80 : x
  2. Step 2: Convert to fraction form
    1,213,453.80/1,822,805.10 = 859,159.80/x
  3. Step 3: Cross multiply
    1,213,453.80x = 1,822,805.10 × 859,159.80
  4. Step 4: Simplify right side
    1,213,453.80x = 1,566,080,865,154.98
  5. Step 5: Solve for x
    x = 1,566,080,865,154.98/1,213,453.80
  6. Step 6: Final answer
    x = 1,290,597.85

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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.