Home / 876,206.85-1,317,075.08-809,851.65

Finding the Fourth Proportional to 876,206.85, 1,317,075.08 and 809,851.65

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Solution

The fourth proportional to 876,206.85, 1,317,075.08 and 809,851.65 is: 1,217,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,206.85 : 1,317,075.08 = 809,851.65 : x
  2. Step 2: Convert to fraction form
    876,206.85/1,317,075.08 = 809,851.65/x
  3. Step 3: Cross multiply
    876,206.85x = 1,317,075.08 × 809,851.65
  4. Step 4: Simplify right side
    876,206.85x = 1,066,635,422,662.62
  5. Step 5: Solve for x
    x = 1,066,635,422,662.62/876,206.85
  6. Step 6: Final answer
    x = 1,217,332.90

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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.