Home / 767,379.60-1,058,706.18-444,912.12

Finding the Fourth Proportional to 767,379.60, 1,058,706.18 and 444,912.12

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Solution

The fourth proportional to 767,379.60, 1,058,706.18 and 444,912.12 is: 613,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,379.60 : 1,058,706.18 = 444,912.12 : x
  2. Step 2: Convert to fraction form
    767,379.60/1,058,706.18 = 444,912.12/x
  3. Step 3: Cross multiply
    767,379.60x = 1,058,706.18 × 444,912.12
  4. Step 4: Simplify right side
    767,379.60x = 471,031,211,000.90
  5. Step 5: Solve for x
    x = 471,031,211,000.90/767,379.60
  6. Step 6: Final answer
    x = 613,817.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.