Home / 1,191,489.53-1,644,257.63-647,623.83

Finding the Fourth Proportional to 1,191,489.53, 1,644,257.63 and 647,623.83

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Solution

The fourth proportional to 1,191,489.53, 1,644,257.63 and 647,623.83 is: 893,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,489.53 : 1,644,257.63 = 647,623.83 : x
  2. Step 2: Convert to fraction form
    1,191,489.53/1,644,257.63 = 647,623.83/x
  3. Step 3: Cross multiply
    1,191,489.53x = 1,644,257.63 × 647,623.83
  4. Step 4: Simplify right side
    1,191,489.53x = 1,064,860,431,632.35
  5. Step 5: Solve for x
    x = 1,064,860,431,632.35/1,191,489.53
  6. Step 6: Final answer
    x = 893,722.03

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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.