Home / 400,498.03-552,685.36-216,736.50

Finding the Fourth Proportional to 400,498.03, 552,685.36 and 216,736.50

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Solution

The fourth proportional to 400,498.03, 552,685.36 and 216,736.50 is: 299,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,498.03 : 552,685.36 = 216,736.50 : x
  2. Step 2: Convert to fraction form
    400,498.03/552,685.36 = 216,736.50/x
  3. Step 3: Cross multiply
    400,498.03x = 552,685.36 × 216,736.50
  4. Step 4: Simplify right side
    400,498.03x = 119,787,090,527.64
  5. Step 5: Solve for x
    x = 119,787,090,527.64/400,498.03
  6. Step 6: Final answer
    x = 299,095.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.