Home / 1,542,466.71-2,313,675.27-420,535.71

Finding the Fourth Proportional to 1,542,466.71, 2,313,675.27 and 420,535.71

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Solution

The fourth proportional to 1,542,466.71, 2,313,675.27 and 420,535.71 is: 630,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,466.71 : 2,313,675.27 = 420,535.71 : x
  2. Step 2: Convert to fraction form
    1,542,466.71/2,313,675.27 = 420,535.71/x
  3. Step 3: Cross multiply
    1,542,466.71x = 2,313,675.27 × 420,535.71
  4. Step 4: Simplify right side
    1,542,466.71x = 972,983,072,378.89
  5. Step 5: Solve for x
    x = 972,983,072,378.89/1,542,466.71
  6. Step 6: Final answer
    x = 630,796.80

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1.5x scale

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.