Home / 1,191,507.33-1,644,290.04-647,643.03

Finding the Fourth Proportional to 1,191,507.33, 1,644,290.04 and 647,643.03

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Solution

The fourth proportional to 1,191,507.33, 1,644,290.04 and 647,643.03 is: 893,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,507.33 : 1,644,290.04 = 647,643.03 : x
  2. Step 2: Convert to fraction form
    1,191,507.33/1,644,290.04 = 647,643.03/x
  3. Step 3: Cross multiply
    1,191,507.33x = 1,644,290.04 × 647,643.03
  4. Step 4: Simplify right side
    1,191,507.33x = 1,064,912,983,704.42
  5. Step 5: Solve for x
    x = 1,064,912,983,704.42/1,191,507.33
  6. Step 6: Final answer
    x = 893,752.78

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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.