Home / 1,191,059.06-1,643,671.91-647,194.84

Finding the Fourth Proportional to 1,191,059.06, 1,643,671.91 and 647,194.84

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Solution

The fourth proportional to 1,191,059.06, 1,643,671.91 and 647,194.84 is: 893,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,059.06 : 1,643,671.91 = 647,194.84 : x
  2. Step 2: Convert to fraction form
    1,191,059.06/1,643,671.91 = 647,194.84/x
  3. Step 3: Cross multiply
    1,191,059.06x = 1,643,671.91 × 647,194.84
  4. Step 4: Simplify right side
    1,191,059.06x = 1,063,775,967,350.61
  5. Step 5: Solve for x
    x = 1,063,775,967,350.61/1,191,059.06
  6. Step 6: Final answer
    x = 893,134.52

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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.