Home / 1,560,728.70-2,337,156.45-1,245,800.70

Finding the Fourth Proportional to 1,560,728.70, 2,337,156.45 and 1,245,800.70

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Solution

The fourth proportional to 1,560,728.70, 2,337,156.45 and 1,245,800.70 is: 1,865,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,728.70 : 2,337,156.45 = 1,245,800.70 : x
  2. Step 2: Convert to fraction form
    1,560,728.70/2,337,156.45 = 1,245,800.70/x
  3. Step 3: Cross multiply
    1,560,728.70x = 2,337,156.45 × 1,245,800.70
  4. Step 4: Simplify right side
    1,560,728.70x = 2,911,631,141,419.52
  5. Step 5: Solve for x
    x = 2,911,631,141,419.52/1,560,728.70
  6. Step 6: Final answer
    x = 1,865,558.79

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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.