Home / 1,427,641.01-1,970,147.43-783,066.50

Finding the Fourth Proportional to 1,427,641.01, 1,970,147.43 and 783,066.50

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Solution

The fourth proportional to 1,427,641.01, 1,970,147.43 and 783,066.50 is: 1,080,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,641.01 : 1,970,147.43 = 783,066.50 : x
  2. Step 2: Convert to fraction form
    1,427,641.01/1,970,147.43 = 783,066.50/x
  3. Step 3: Cross multiply
    1,427,641.01x = 1,970,147.43 × 783,066.50
  4. Step 4: Simplify right side
    1,427,641.01x = 1,542,756,442,643.36
  5. Step 5: Solve for x
    x = 1,542,756,442,643.36/1,427,641.01
  6. Step 6: Final answer
    x = 1,080,633.32

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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.