Home / 1,476,778.60-2,215,052.70-578,045.80

Finding the Fourth Proportional to 1,476,778.60, 2,215,052.70 and 578,045.80

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Solution

The fourth proportional to 1,476,778.60, 2,215,052.70 and 578,045.80 is: 867,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,778.60 : 2,215,052.70 = 578,045.80 : x
  2. Step 2: Convert to fraction form
    1,476,778.60/2,215,052.70 = 578,045.80/x
  3. Step 3: Cross multiply
    1,476,778.60x = 2,215,052.70 × 578,045.80
  4. Step 4: Simplify right side
    1,476,778.60x = 1,280,401,910,013.66
  5. Step 5: Solve for x
    x = 1,280,401,910,013.66/1,476,778.60
  6. Step 6: Final answer
    x = 867,023.61

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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.