Home / 1,620,799.61-2,431,303.09-623,527.61

Finding the Fourth Proportional to 1,620,799.61, 2,431,303.09 and 623,527.61

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Solution

The fourth proportional to 1,620,799.61, 2,431,303.09 and 623,527.61 is: 935,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,799.61 : 2,431,303.09 = 623,527.61 : x
  2. Step 2: Convert to fraction form
    1,620,799.61/2,431,303.09 = 623,527.61/x
  3. Step 3: Cross multiply
    1,620,799.61x = 2,431,303.09 × 623,527.61
  4. Step 4: Simplify right side
    1,620,799.61x = 1,515,984,591,177.98
  5. Step 5: Solve for x
    x = 1,515,984,591,177.98/1,620,799.61
  6. Step 6: Final answer
    x = 935,331.29

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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.