Home / 1,191,433.89-1,644,189.75-647,570.91

Finding the Fourth Proportional to 1,191,433.89, 1,644,189.75 and 647,570.91

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Solution

The fourth proportional to 1,191,433.89, 1,644,189.75 and 647,570.91 is: 893,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,433.89 : 1,644,189.75 = 647,570.91 : x
  2. Step 2: Convert to fraction form
    1,191,433.89/1,644,189.75 = 647,570.91/x
  3. Step 3: Cross multiply
    1,191,433.89x = 1,644,189.75 × 647,570.91
  4. Step 4: Simplify right side
    1,191,433.89x = 1,064,729,452,620.17
  5. Step 5: Solve for x
    x = 1,064,729,452,620.17/1,191,433.89
  6. Step 6: Final answer
    x = 893,653.82

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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.