Home / 405,425.10-607,933.65-124,905.90

Finding the Fourth Proportional to 405,425.10, 607,933.65 and 124,905.90

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Solution

The fourth proportional to 405,425.10, 607,933.65 and 124,905.90 is: 187,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,425.10 : 607,933.65 = 124,905.90 : x
  2. Step 2: Convert to fraction form
    405,425.10/607,933.65 = 124,905.90/x
  3. Step 3: Cross multiply
    405,425.10x = 607,933.65 × 124,905.90
  4. Step 4: Simplify right side
    405,425.10x = 75,934,499,693.54
  5. Step 5: Solve for x
    x = 75,934,499,693.54/405,425.10
  6. Step 6: Final answer
    x = 187,296.00

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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.