Home / 400,712.94-552,984.75-216,953.46

Finding the Fourth Proportional to 400,712.94, 552,984.75 and 216,953.46

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Solution

The fourth proportional to 400,712.94, 552,984.75 and 216,953.46 is: 299,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,712.94 : 552,984.75 = 216,953.46 : x
  2. Step 2: Convert to fraction form
    400,712.94/552,984.75 = 216,953.46/x
  3. Step 3: Cross multiply
    400,712.94x = 552,984.75 × 216,953.46
  4. Step 4: Simplify right side
    400,712.94x = 119,971,954,839.74
  5. Step 5: Solve for x
    x = 119,971,954,839.74/400,712.94
  6. Step 6: Final answer
    x = 299,396.26

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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.