Home / 436,440.16-654,660.24-136,966.96

Finding the Fourth Proportional to 436,440.16, 654,660.24 and 136,966.96

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Solution

The fourth proportional to 436,440.16, 654,660.24 and 136,966.96 is: 205,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,440.16 : 654,660.24 = 136,966.96 : x
  2. Step 2: Convert to fraction form
    436,440.16/654,660.24 = 136,966.96/x
  3. Step 3: Cross multiply
    436,440.16x = 654,660.24 × 136,966.96
  4. Step 4: Simplify right side
    436,440.16x = 89,666,822,905.67
  5. Step 5: Solve for x
    x = 89,666,822,905.67/436,440.16
  6. Step 6: Final answer
    x = 205,450.44

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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.