Home / 762,122.40-1,051,743.34-417,936.52

Finding the Fourth Proportional to 762,122.40, 1,051,743.34 and 417,936.52

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Solution

The fourth proportional to 762,122.40, 1,051,743.34 and 417,936.52 is: 576,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,122.40 : 1,051,743.34 = 417,936.52 : x
  2. Step 2: Convert to fraction form
    762,122.40/1,051,743.34 = 417,936.52/x
  3. Step 3: Cross multiply
    762,122.40x = 1,051,743.34 × 417,936.52
  4. Step 4: Simplify right side
    762,122.40x = 439,561,953,289.88
  5. Step 5: Solve for x
    x = 439,561,953,289.88/762,122.40
  6. Step 6: Final answer
    x = 576,760.31

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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.