Home / 1,280,227.06-1,920,856.97-569,769.18

Finding the Fourth Proportional to 1,280,227.06, 1,920,856.97 and 569,769.18

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Solution

The fourth proportional to 1,280,227.06, 1,920,856.97 and 569,769.18 is: 854,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,227.06 : 1,920,856.97 = 569,769.18 : x
  2. Step 2: Convert to fraction form
    1,280,227.06/1,920,856.97 = 569,769.18/x
  3. Step 3: Cross multiply
    1,280,227.06x = 1,920,856.97 × 569,769.18
  4. Step 4: Simplify right side
    1,280,227.06x = 1,094,445,100,694.18
  5. Step 5: Solve for x
    x = 1,094,445,100,694.18/1,280,227.06
  6. Step 6: Final answer
    x = 854,883.59

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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.