Home / 1,243,248.88-1,715,681.01-699,385.09

Finding the Fourth Proportional to 1,243,248.88, 1,715,681.01 and 699,385.09

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Solution

The fourth proportional to 1,243,248.88, 1,715,681.01 and 699,385.09 is: 965,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,248.88 : 1,715,681.01 = 699,385.09 : x
  2. Step 2: Convert to fraction form
    1,243,248.88/1,715,681.01 = 699,385.09/x
  3. Step 3: Cross multiply
    1,243,248.88x = 1,715,681.01 × 699,385.09
  4. Step 4: Simplify right side
    1,243,248.88x = 1,199,921,717,590.14
  5. Step 5: Solve for x
    x = 1,199,921,717,590.14/1,243,248.88
  6. Step 6: Final answer
    x = 965,150.05

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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.