Home / 1,191,672.42-1,644,518.64-647,809.26

Finding the Fourth Proportional to 1,191,672.42, 1,644,518.64 and 647,809.26

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Solution

The fourth proportional to 1,191,672.42, 1,644,518.64 and 647,809.26 is: 893,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,672.42 : 1,644,518.64 = 647,809.26 : x
  2. Step 2: Convert to fraction form
    1,191,672.42/1,644,518.64 = 647,809.26/x
  3. Step 3: Cross multiply
    1,191,672.42x = 1,644,518.64 × 647,809.26
  4. Step 4: Simplify right side
    1,191,672.42x = 1,065,334,408,747.36
  5. Step 5: Solve for x
    x = 1,065,334,408,747.36/1,191,672.42
  6. Step 6: Final answer
    x = 893,982.60

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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.