Home / 1,542,462.84-2,313,626.10-420,531.96

Finding the Fourth Proportional to 1,542,462.84, 2,313,626.10 and 420,531.96

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Solution

The fourth proportional to 1,542,462.84, 2,313,626.10 and 420,531.96 is: 630,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,462.84 : 2,313,626.10 = 420,531.96 : x
  2. Step 2: Convert to fraction form
    1,542,462.84/2,313,626.10 = 420,531.96/x
  3. Step 3: Cross multiply
    1,542,462.84x = 2,313,626.10 × 420,531.96
  4. Step 4: Simplify right side
    1,542,462.84x = 972,953,718,540.16
  5. Step 5: Solve for x
    x = 972,953,718,540.16/1,542,462.84
  6. Step 6: Final answer
    x = 630,779.36

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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.