Home / 852,679.80-1,176,692.40-470,706.48

Finding the Fourth Proportional to 852,679.80, 1,176,692.40 and 470,706.48

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Solution

The fourth proportional to 852,679.80, 1,176,692.40 and 470,706.48 is: 649,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,679.80 : 1,176,692.40 = 470,706.48 : x
  2. Step 2: Convert to fraction form
    852,679.80/1,176,692.40 = 470,706.48/x
  3. Step 3: Cross multiply
    852,679.80x = 1,176,692.40 × 470,706.48
  4. Step 4: Simplify right side
    852,679.80x = 553,876,737,646.75
  5. Step 5: Solve for x
    x = 553,876,737,646.75/852,679.80
  6. Step 6: Final answer
    x = 649,571.78

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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.