Home / 1,022,891.56-1,534,281.65-312,919.59

Finding the Fourth Proportional to 1,022,891.56, 1,534,281.65 and 312,919.59

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Solution

The fourth proportional to 1,022,891.56, 1,534,281.65 and 312,919.59 is: 469,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,891.56 : 1,534,281.65 = 312,919.59 : x
  2. Step 2: Convert to fraction form
    1,022,891.56/1,534,281.65 = 312,919.59/x
  3. Step 3: Cross multiply
    1,022,891.56x = 1,534,281.65 × 312,919.59
  4. Step 4: Simplify right side
    1,022,891.56x = 480,106,784,862.52
  5. Step 5: Solve for x
    x = 480,106,784,862.52/1,022,891.56
  6. Step 6: Final answer
    x = 469,362.35

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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.