Home / 1,620,948.06-2,431,422.06-623,442.78

Finding the Fourth Proportional to 1,620,948.06, 2,431,422.06 and 623,442.78

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Solution

The fourth proportional to 1,620,948.06, 2,431,422.06 and 623,442.78 is: 935,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,948.06 : 2,431,422.06 = 623,442.78 : x
  2. Step 2: Convert to fraction form
    1,620,948.06/2,431,422.06 = 623,442.78/x
  3. Step 3: Cross multiply
    1,620,948.06x = 2,431,422.06 × 623,442.78
  4. Step 4: Simplify right side
    1,620,948.06x = 1,515,852,528,439.73
  5. Step 5: Solve for x
    x = 1,515,852,528,439.73/1,620,948.06
  6. Step 6: Final answer
    x = 935,164.16

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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.