Home / 1,418,216.16-1,957,150.80-773,639.04

Finding the Fourth Proportional to 1,418,216.16, 1,957,150.80 and 773,639.04

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Solution

The fourth proportional to 1,418,216.16, 1,957,150.80 and 773,639.04 is: 1,067,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,216.16 : 1,957,150.80 = 773,639.04 : x
  2. Step 2: Convert to fraction form
    1,418,216.16/1,957,150.80 = 773,639.04/x
  3. Step 3: Cross multiply
    1,418,216.16x = 1,957,150.80 × 773,639.04
  4. Step 4: Simplify right side
    1,418,216.16x = 1,514,128,266,047.23
  5. Step 5: Solve for x
    x = 1,514,128,266,047.23/1,418,216.16
  6. Step 6: Final answer
    x = 1,067,628.69

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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.