Home / 1,783,967.06-2,675,972.46-521,820.20

Finding the Fourth Proportional to 1,783,967.06, 2,675,972.46 and 521,820.20

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Solution

The fourth proportional to 1,783,967.06, 2,675,972.46 and 521,820.20 is: 782,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,967.06 : 2,675,972.46 = 521,820.20 : x
  2. Step 2: Convert to fraction form
    1,783,967.06/2,675,972.46 = 521,820.20/x
  3. Step 3: Cross multiply
    1,783,967.06x = 2,675,972.46 × 521,820.20
  4. Step 4: Simplify right side
    1,783,967.06x = 1,396,376,484,271.69
  5. Step 5: Solve for x
    x = 1,396,376,484,271.69/1,783,967.06
  6. Step 6: Final answer
    x = 782,736.70

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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.