Home / 1,308,235.66-1,962,353.51-409,747.70

Finding the Fourth Proportional to 1,308,235.66, 1,962,353.51 and 409,747.70

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Solution

The fourth proportional to 1,308,235.66, 1,962,353.51 and 409,747.70 is: 614,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,235.66 : 1,962,353.51 = 409,747.70 : x
  2. Step 2: Convert to fraction form
    1,308,235.66/1,962,353.51 = 409,747.70/x
  3. Step 3: Cross multiply
    1,308,235.66x = 1,962,353.51 × 409,747.70
  4. Step 4: Simplify right side
    1,308,235.66x = 804,069,837,309.43
  5. Step 5: Solve for x
    x = 804,069,837,309.43/1,308,235.66
  6. Step 6: Final answer
    x = 614,621.56

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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.