Home / 1,097,398.44-1,514,646.69-667,816.98

Finding the Fourth Proportional to 1,097,398.44, 1,514,646.69 and 667,816.98

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Solution

The fourth proportional to 1,097,398.44, 1,514,646.69 and 667,816.98 is: 921,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,398.44 : 1,514,646.69 = 667,816.98 : x
  2. Step 2: Convert to fraction form
    1,097,398.44/1,514,646.69 = 667,816.98/x
  3. Step 3: Cross multiply
    1,097,398.44x = 1,514,646.69 × 667,816.98
  4. Step 4: Simplify right side
    1,097,398.44x = 1,011,506,778,282.80
  5. Step 5: Solve for x
    x = 1,011,506,778,282.80/1,097,398.44
  6. Step 6: Final answer
    x = 921,731.56

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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.