Home / 1,622,411.34-2,433,431.10-424,449.30

Finding the Fourth Proportional to 1,622,411.34, 2,433,431.10 and 424,449.30

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Solution

The fourth proportional to 1,622,411.34, 2,433,431.10 and 424,449.30 is: 636,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,411.34 : 2,433,431.10 = 424,449.30 : x
  2. Step 2: Convert to fraction form
    1,622,411.34/2,433,431.10 = 424,449.30/x
  3. Step 3: Cross multiply
    1,622,411.34x = 2,433,431.10 × 424,449.30
  4. Step 4: Simplify right side
    1,622,411.34x = 1,032,868,126,993.23
  5. Step 5: Solve for x
    x = 1,032,868,126,993.23/1,622,411.34
  6. Step 6: Final answer
    x = 636,625.31

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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.