Home / 619,050.20-928,107.36-405,871.74

Finding the Fourth Proportional to 619,050.20, 928,107.36 and 405,871.74

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Solution

The fourth proportional to 619,050.20, 928,107.36 and 405,871.74 is: 608,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,050.20 : 928,107.36 = 405,871.74 : x
  2. Step 2: Convert to fraction form
    619,050.20/928,107.36 = 405,871.74/x
  3. Step 3: Cross multiply
    619,050.20x = 928,107.36 × 405,871.74
  4. Step 4: Simplify right side
    619,050.20x = 376,692,549,110.01
  5. Step 5: Solve for x
    x = 376,692,549,110.01/619,050.20
  6. Step 6: Final answer
    x = 608,500.82

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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.