Home / 871,583.08-1,306,764.78-445,250.92

Finding the Fourth Proportional to 871,583.08, 1,306,764.78 and 445,250.92

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Solution

The fourth proportional to 871,583.08, 1,306,764.78 and 445,250.92 is: 667,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,583.08 : 1,306,764.78 = 445,250.92 : x
  2. Step 2: Convert to fraction form
    871,583.08/1,306,764.78 = 445,250.92/x
  3. Step 3: Cross multiply
    871,583.08x = 1,306,764.78 × 445,250.92
  4. Step 4: Simplify right side
    871,583.08x = 581,838,220,518.60
  5. Step 5: Solve for x
    x = 581,838,220,518.60/871,583.08
  6. Step 6: Final answer
    x = 667,564.84

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1.5x scale

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.