Home / 3,192,379.12-4,405,576.80-1,742,168.20

Finding the Fourth Proportional to 3,192,379.12, 4,405,576.80 and 1,742,168.20

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Solution

The fourth proportional to 3,192,379.12, 4,405,576.80 and 1,742,168.20 is: 2,404,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,379.12 : 4,405,576.80 = 1,742,168.20 : x
  2. Step 2: Convert to fraction form
    3,192,379.12/4,405,576.80 = 1,742,168.20/x
  3. Step 3: Cross multiply
    3,192,379.12x = 4,405,576.80 × 1,742,168.20
  4. Step 4: Simplify right side
    3,192,379.12x = 7,675,255,803,617.76
  5. Step 5: Solve for x
    x = 7,675,255,803,617.76/3,192,379.12
  6. Step 6: Final answer
    x = 2,404,243.20

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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.