Home / 1,413,959.66-2,120,665.76-549,393.10

Finding the Fourth Proportional to 1,413,959.66, 2,120,665.76 and 549,393.10

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Solution

The fourth proportional to 1,413,959.66, 2,120,665.76 and 549,393.10 is: 823,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,959.66 : 2,120,665.76 = 549,393.10 : x
  2. Step 2: Convert to fraction form
    1,413,959.66/2,120,665.76 = 549,393.10/x
  3. Step 3: Cross multiply
    1,413,959.66x = 2,120,665.76 × 549,393.10
  4. Step 4: Simplify right side
    1,413,959.66x = 1,165,079,129,961.85
  5. Step 5: Solve for x
    x = 1,165,079,129,961.85/1,413,959.66
  6. Step 6: Final answer
    x = 823,983.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.