Home / 1,291,308.11-1,777,948.89-1,097,306.63

Finding the Fourth Proportional to 1,291,308.11, 1,777,948.89 and 1,097,306.63

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Solution

The fourth proportional to 1,291,308.11, 1,777,948.89 and 1,097,306.63 is: 1,510,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,308.11 : 1,777,948.89 = 1,097,306.63 : x
  2. Step 2: Convert to fraction form
    1,291,308.11/1,777,948.89 = 1,097,306.63/x
  3. Step 3: Cross multiply
    1,291,308.11x = 1,777,948.89 × 1,097,306.63
  4. Step 4: Simplify right side
    1,291,308.11x = 1,950,955,104,798.14
  5. Step 5: Solve for x
    x = 1,950,955,104,798.14/1,291,308.11
  6. Step 6: Final answer
    x = 1,510,836.25

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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.