Home / 1,191,519.19-1,644,308.17-647,654.64

Finding the Fourth Proportional to 1,191,519.19, 1,644,308.17 and 647,654.64

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Solution

The fourth proportional to 1,191,519.19, 1,644,308.17 and 647,654.64 is: 893,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,519.19 : 1,644,308.17 = 647,654.64 : x
  2. Step 2: Convert to fraction form
    1,191,519.19/1,644,308.17 = 647,654.64/x
  3. Step 3: Cross multiply
    1,191,519.19x = 1,644,308.17 × 647,654.64
  4. Step 4: Simplify right side
    1,191,519.19x = 1,064,943,823,502.59
  5. Step 5: Solve for x
    x = 1,064,943,823,502.59/1,191,519.19
  6. Step 6: Final answer
    x = 893,769.76

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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.