Home / 1,397,442.66-1,928,230.58-785,510.52

Finding the Fourth Proportional to 1,397,442.66, 1,928,230.58 and 785,510.52

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Solution

The fourth proportional to 1,397,442.66, 1,928,230.58 and 785,510.52 is: 1,083,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,442.66 : 1,928,230.58 = 785,510.52 : x
  2. Step 2: Convert to fraction form
    1,397,442.66/1,928,230.58 = 785,510.52/x
  3. Step 3: Cross multiply
    1,397,442.66x = 1,928,230.58 × 785,510.52
  4. Step 4: Simplify right side
    1,397,442.66x = 1,514,645,405,575.70
  5. Step 5: Solve for x
    x = 1,514,645,405,575.70/1,397,442.66
  6. Step 6: Final answer
    x = 1,083,869.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.