Home / 847,166.20-1,169,013.18-465,184.60

Finding the Fourth Proportional to 847,166.20, 1,169,013.18 and 465,184.60

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Solution

The fourth proportional to 847,166.20, 1,169,013.18 and 465,184.60 is: 641,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,166.20 : 1,169,013.18 = 465,184.60 : x
  2. Step 2: Convert to fraction form
    847,166.20/1,169,013.18 = 465,184.60/x
  3. Step 3: Cross multiply
    847,166.20x = 1,169,013.18 × 465,184.60
  4. Step 4: Simplify right side
    847,166.20x = 543,806,928,533.03
  5. Step 5: Solve for x
    x = 543,806,928,533.03/847,166.20
  6. Step 6: Final answer
    x = 641,912.92

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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.