Home / 1,621,240.88-2,431,773.63-822,501.70

Finding the Fourth Proportional to 1,621,240.88, 2,431,773.63 and 822,501.70

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Solution

The fourth proportional to 1,621,240.88, 2,431,773.63 and 822,501.70 is: 1,233,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,240.88 : 2,431,773.63 = 822,501.70 : x
  2. Step 2: Convert to fraction form
    1,621,240.88/2,431,773.63 = 822,501.70/x
  3. Step 3: Cross multiply
    1,621,240.88x = 2,431,773.63 × 822,501.70
  4. Step 4: Simplify right side
    1,621,240.88x = 2,000,137,938,610.74
  5. Step 5: Solve for x
    x = 2,000,137,938,610.74/1,621,240.88
  6. Step 6: Final answer
    x = 1,233,708.06

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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.