Home / 1,138,340.48-1,570,914.72-622,104.64

Finding the Fourth Proportional to 1,138,340.48, 1,570,914.72 and 622,104.64

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Solution

The fourth proportional to 1,138,340.48, 1,570,914.72 and 622,104.64 is: 858,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,340.48 : 1,570,914.72 = 622,104.64 : x
  2. Step 2: Convert to fraction form
    1,138,340.48/1,570,914.72 = 622,104.64/x
  3. Step 3: Cross multiply
    1,138,340.48x = 1,570,914.72 × 622,104.64
  4. Step 4: Simplify right side
    1,138,340.48x = 977,273,336,356.30
  5. Step 5: Solve for x
    x = 977,273,336,356.30/1,138,340.48
  6. Step 6: Final answer
    x = 858,507.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.