Home / 1,474,567.42-2,212,710.90-621,586.90

Finding the Fourth Proportional to 1,474,567.42, 2,212,710.90 and 621,586.90

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Solution

The fourth proportional to 1,474,567.42, 2,212,710.90 and 621,586.90 is: 932,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,567.42 : 2,212,710.90 = 621,586.90 : x
  2. Step 2: Convert to fraction form
    1,474,567.42/2,212,710.90 = 621,586.90/x
  3. Step 3: Cross multiply
    1,474,567.42x = 2,212,710.90 × 621,586.90
  4. Step 4: Simplify right side
    1,474,567.42x = 1,375,392,108,927.21
  5. Step 5: Solve for x
    x = 1,375,392,108,927.21/1,474,567.42
  6. Step 6: Final answer
    x = 932,742.78

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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.