Home / 1,191,343.83-1,644,065.34-647,481

Finding the Fourth Proportional to 1,191,343.83, 1,644,065.34 and 647,481

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Solution

The fourth proportional to 1,191,343.83, 1,644,065.34 and 647,481 is: 893,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,343.83 : 1,644,065.34 = 647,481 : x
  2. Step 2: Convert to fraction form
    1,191,343.83/1,644,065.34 = 647,481/x
  3. Step 3: Cross multiply
    1,191,343.83x = 1,644,065.34 × 647,481
  4. Step 4: Simplify right side
    1,191,343.83x = 1,064,501,070,408.54
  5. Step 5: Solve for x
    x = 1,064,501,070,408.54/1,191,343.83
  6. Step 6: Final answer
    x = 893,529.68

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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.