Home / 619,289.60-928,934.40-524,811.20

Finding the Fourth Proportional to 619,289.60, 928,934.40 and 524,811.20

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Solution

The fourth proportional to 619,289.60, 928,934.40 and 524,811.20 is: 787,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,289.60 : 928,934.40 = 524,811.20 : x
  2. Step 2: Convert to fraction form
    619,289.60/928,934.40 = 524,811.20/x
  3. Step 3: Cross multiply
    619,289.60x = 928,934.40 × 524,811.20
  4. Step 4: Simplify right side
    619,289.60x = 487,515,177,185.28
  5. Step 5: Solve for x
    x = 487,515,177,185.28/619,289.60
  6. Step 6: Final answer
    x = 787,216.80

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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.