Home / 1,022,139.44-1,533,442.44-312,268.40

Finding the Fourth Proportional to 1,022,139.44, 1,533,442.44 and 312,268.40

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Solution

The fourth proportional to 1,022,139.44, 1,533,442.44 and 312,268.40 is: 468,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,139.44 : 1,533,442.44 = 312,268.40 : x
  2. Step 2: Convert to fraction form
    1,022,139.44/1,533,442.44 = 312,268.40/x
  3. Step 3: Cross multiply
    1,022,139.44x = 1,533,442.44 × 312,268.40
  4. Step 4: Simplify right side
    1,022,139.44x = 478,845,617,230.90
  5. Step 5: Solve for x
    x = 478,845,617,230.90/1,022,139.44
  6. Step 6: Final answer
    x = 468,473.87

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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.