Home / 666,452.22-999,688.86-193,140.06

Finding the Fourth Proportional to 666,452.22, 999,688.86 and 193,140.06

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Solution

The fourth proportional to 666,452.22, 999,688.86 and 193,140.06 is: 289,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,452.22 : 999,688.86 = 193,140.06 : x
  2. Step 2: Convert to fraction form
    666,452.22/999,688.86 = 193,140.06/x
  3. Step 3: Cross multiply
    666,452.22x = 999,688.86 × 193,140.06
  4. Step 4: Simplify right side
    666,452.22x = 193,079,966,401.73
  5. Step 5: Solve for x
    x = 193,079,966,401.73/666,452.22
  6. Step 6: Final answer
    x = 289,713.14

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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.