Home / 1,278,356.60-1,917,081.30-567,111.80

Finding the Fourth Proportional to 1,278,356.60, 1,917,081.30 and 567,111.80

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Solution

The fourth proportional to 1,278,356.60, 1,917,081.30 and 567,111.80 is: 850,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,356.60 : 1,917,081.30 = 567,111.80 : x
  2. Step 2: Convert to fraction form
    1,278,356.60/1,917,081.30 = 567,111.80/x
  3. Step 3: Cross multiply
    1,278,356.60x = 1,917,081.30 × 567,111.80
  4. Step 4: Simplify right side
    1,278,356.60x = 1,087,199,426,789.34
  5. Step 5: Solve for x
    x = 1,087,199,426,789.34/1,278,356.60
  6. Step 6: Final answer
    x = 850,466.47

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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.