Home / 1,622,412.61-2,433,433.01-424,450.55

Finding the Fourth Proportional to 1,622,412.61, 2,433,433.01 and 424,450.55

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Solution

The fourth proportional to 1,622,412.61, 2,433,433.01 and 424,450.55 is: 636,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,412.61 : 2,433,433.01 = 424,450.55 : x
  2. Step 2: Convert to fraction form
    1,622,412.61/2,433,433.01 = 424,450.55/x
  3. Step 3: Cross multiply
    1,622,412.61x = 2,433,433.01 × 424,450.55
  4. Step 4: Simplify right side
    1,622,412.61x = 1,032,871,986,627.36
  5. Step 5: Solve for x
    x = 1,032,871,986,627.36/1,622,412.61
  6. Step 6: Final answer
    x = 636,627.19

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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.