Home / 666,541.80-999,811.98-217,262.52

Finding the Fourth Proportional to 666,541.80, 999,811.98 and 217,262.52

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Solution

The fourth proportional to 666,541.80, 999,811.98 and 217,262.52 is: 325,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,541.80 : 999,811.98 = 217,262.52 : x
  2. Step 2: Convert to fraction form
    666,541.80/999,811.98 = 217,262.52/x
  3. Step 3: Cross multiply
    666,541.80x = 999,811.98 × 217,262.52
  4. Step 4: Simplify right side
    666,541.80x = 217,221,670,300.99
  5. Step 5: Solve for x
    x = 217,221,670,300.99/666,541.80
  6. Step 6: Final answer
    x = 325,893.55

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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.