Home / 1,278,303.30-1,917,676.40-568,386.71

Finding the Fourth Proportional to 1,278,303.30, 1,917,676.40 and 568,386.71

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Solution

The fourth proportional to 1,278,303.30, 1,917,676.40 and 568,386.71 is: 852,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,303.30 : 1,917,676.40 = 568,386.71 : x
  2. Step 2: Convert to fraction form
    1,278,303.30/1,917,676.40 = 568,386.71/x
  3. Step 3: Cross multiply
    1,278,303.30x = 1,917,676.40 × 568,386.71
  4. Step 4: Simplify right side
    1,278,303.30x = 1,089,981,767,410.33
  5. Step 5: Solve for x
    x = 1,089,981,767,410.33/1,278,303.30
  6. Step 6: Final answer
    x = 852,678.52

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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.