Home / 1,620,807.98-2,431,315.66-623,535.98

Finding the Fourth Proportional to 1,620,807.98, 2,431,315.66 and 623,535.98

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Solution

The fourth proportional to 1,620,807.98, 2,431,315.66 and 623,535.98 is: 935,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,807.98 : 2,431,315.66 = 623,535.98 : x
  2. Step 2: Convert to fraction form
    1,620,807.98/2,431,315.66 = 623,535.98/x
  3. Step 3: Cross multiply
    1,620,807.98x = 2,431,315.66 × 623,535.98
  4. Step 4: Simplify right side
    1,620,807.98x = 1,516,012,792,747.45
  5. Step 5: Solve for x
    x = 1,516,012,792,747.45/1,620,807.98
  6. Step 6: Final answer
    x = 935,343.86

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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.