Home / 666,348.24-999,521.59-217,068.39

Finding the Fourth Proportional to 666,348.24, 999,521.59 and 217,068.39

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Solution

The fourth proportional to 666,348.24, 999,521.59 and 217,068.39 is: 325,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,348.24 : 999,521.59 = 217,068.39 : x
  2. Step 2: Convert to fraction form
    666,348.24/999,521.59 = 217,068.39/x
  3. Step 3: Cross multiply
    666,348.24x = 999,521.59 × 217,068.39
  4. Step 4: Simplify right side
    666,348.24x = 216,964,542,311.54
  5. Step 5: Solve for x
    x = 216,964,542,311.54/666,348.24
  6. Step 6: Final answer
    x = 325,602.33

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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.