Home / 648,294.23-972,406.19-199,015.17

Finding the Fourth Proportional to 648,294.23, 972,406.19 and 199,015.17

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Solution

The fourth proportional to 648,294.23, 972,406.19 and 199,015.17 is: 298,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,294.23 : 972,406.19 = 199,015.17 : x
  2. Step 2: Convert to fraction form
    648,294.23/972,406.19 = 199,015.17/x
  3. Step 3: Cross multiply
    648,294.23x = 972,406.19 × 199,015.17
  4. Step 4: Simplify right side
    648,294.23x = 193,523,582,216.83
  5. Step 5: Solve for x
    x = 193,523,582,216.83/648,294.23
  6. Step 6: Final answer
    x = 298,511.96

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1.5x scale

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.