Home / 1,191,095.83-1,643,721.29-647,234.54

Finding the Fourth Proportional to 1,191,095.83, 1,643,721.29 and 647,234.54

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Solution

The fourth proportional to 1,191,095.83, 1,643,721.29 and 647,234.54 is: 893,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,095.83 : 1,643,721.29 = 647,234.54 : x
  2. Step 2: Convert to fraction form
    1,191,095.83/1,643,721.29 = 647,234.54/x
  3. Step 3: Cross multiply
    1,191,095.83x = 1,643,721.29 × 647,234.54
  4. Step 4: Simplify right side
    1,191,095.83x = 1,063,873,193,021.36
  5. Step 5: Solve for x
    x = 1,063,873,193,021.36/1,191,095.83
  6. Step 6: Final answer
    x = 893,188.58

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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.