Home / 1,191,821.42-1,644,746.10-647,993.77

Finding the Fourth Proportional to 1,191,821.42, 1,644,746.10 and 647,993.77

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Solution

The fourth proportional to 1,191,821.42, 1,644,746.10 and 647,993.77 is: 894,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,821.42 : 1,644,746.10 = 647,993.77 : x
  2. Step 2: Convert to fraction form
    1,191,821.42/1,644,746.10 = 647,993.77/x
  3. Step 3: Cross multiply
    1,191,821.42x = 1,644,746.10 × 647,993.77
  4. Step 4: Simplify right side
    1,191,821.42x = 1,065,785,226,031.80
  5. Step 5: Solve for x
    x = 1,065,785,226,031.80/1,191,821.42
  6. Step 6: Final answer
    x = 894,249.09

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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.