Home / 1,280,229.06-1,920,859.98-569,771.19

Finding the Fourth Proportional to 1,280,229.06, 1,920,859.98 and 569,771.19

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Solution

The fourth proportional to 1,280,229.06, 1,920,859.98 and 569,771.19 is: 854,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,229.06 : 1,920,859.98 = 569,771.19 : x
  2. Step 2: Convert to fraction form
    1,280,229.06/1,920,859.98 = 569,771.19/x
  3. Step 3: Cross multiply
    1,280,229.06x = 1,920,859.98 × 569,771.19
  4. Step 4: Simplify right side
    1,280,229.06x = 1,094,450,676,627.98
  5. Step 5: Solve for x
    x = 1,094,450,676,627.98/1,280,229.06
  6. Step 6: Final answer
    x = 854,886.61

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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.