Home / 2,560,253.20-3,840,914.40-854,328.40

Finding the Fourth Proportional to 2,560,253.20, 3,840,914.40 and 854,328.40

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Solution

The fourth proportional to 2,560,253.20, 3,840,914.40 and 854,328.40 is: 1,281,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,253.20 : 3,840,914.40 = 854,328.40 : x
  2. Step 2: Convert to fraction form
    2,560,253.20/3,840,914.40 = 854,328.40/x
  3. Step 3: Cross multiply
    2,560,253.20x = 3,840,914.40 × 854,328.40
  4. Step 4: Simplify right side
    2,560,253.20x = 3,281,402,253,888.96
  5. Step 5: Solve for x
    x = 3,281,402,253,888.96/2,560,253.20
  6. Step 6: Final answer
    x = 1,281,670.99

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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.