Home / 5,501,708.80-8,252,563.20-5,128,460.80

Finding the Fourth Proportional to 5,501,708.80, 8,252,563.20 and 5,128,460.80

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Solution

The fourth proportional to 5,501,708.80, 8,252,563.20 and 5,128,460.80 is: 7,692,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501,708.80 : 8,252,563.20 = 5,128,460.80 : x
  2. Step 2: Convert to fraction form
    5,501,708.80/8,252,563.20 = 5,128,460.80/x
  3. Step 3: Cross multiply
    5,501,708.80x = 8,252,563.20 × 5,128,460.80
  4. Step 4: Simplify right side
    5,501,708.80x = 42,322,946,870,722.56
  5. Step 5: Solve for x
    x = 42,322,946,870,722.56/5,501,708.80
  6. Step 6: Final answer
    x = 7,692,691.20

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Similar ratio
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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.