Home / 1,441,656.64-1,989,542.64-957,386.80

Finding the Fourth Proportional to 1,441,656.64, 1,989,542.64 and 957,386.80

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Solution

The fourth proportional to 1,441,656.64, 1,989,542.64 and 957,386.80 is: 1,321,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,656.64 : 1,989,542.64 = 957,386.80 : x
  2. Step 2: Convert to fraction form
    1,441,656.64/1,989,542.64 = 957,386.80/x
  3. Step 3: Cross multiply
    1,441,656.64x = 1,989,542.64 × 957,386.80
  4. Step 4: Simplify right side
    1,441,656.64x = 1,904,761,861,573.15
  5. Step 5: Solve for x
    x = 1,904,761,861,573.15/1,441,656.64
  6. Step 6: Final answer
    x = 1,321,231.29

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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.