Home / 468,619.40-702,986.70-152,990.60

Finding the Fourth Proportional to 468,619.40, 702,986.70 and 152,990.60

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Solution

The fourth proportional to 468,619.40, 702,986.70 and 152,990.60 is: 229,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,619.40 : 702,986.70 = 152,990.60 : x
  2. Step 2: Convert to fraction form
    468,619.40/702,986.70 = 152,990.60/x
  3. Step 3: Cross multiply
    468,619.40x = 702,986.70 × 152,990.60
  4. Step 4: Simplify right side
    468,619.40x = 107,550,357,025.02
  5. Step 5: Solve for x
    x = 107,550,357,025.02/468,619.40
  6. Step 6: Final answer
    x = 229,504.70

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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.