Home / 925,056.02-1,387,562.42-426,420.02

Finding the Fourth Proportional to 925,056.02, 1,387,562.42 and 426,420.02

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Solution

The fourth proportional to 925,056.02, 1,387,562.42 and 426,420.02 is: 639,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,056.02 : 1,387,562.42 = 426,420.02 : x
  2. Step 2: Convert to fraction form
    925,056.02/1,387,562.42 = 426,420.02/x
  3. Step 3: Cross multiply
    925,056.02x = 1,387,562.42 × 426,420.02
  4. Step 4: Simplify right side
    925,056.02x = 591,684,394,887.65
  5. Step 5: Solve for x
    x = 591,684,394,887.65/925,056.02
  6. Step 6: Final answer
    x = 639,620.07

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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.