Home / 403,988.66-557,497.36-222,717.45

Finding the Fourth Proportional to 403,988.66, 557,497.36 and 222,717.45

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Solution

The fourth proportional to 403,988.66, 557,497.36 and 222,717.45 is: 307,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,988.66 : 557,497.36 = 222,717.45 : x
  2. Step 2: Convert to fraction form
    403,988.66/557,497.36 = 222,717.45/x
  3. Step 3: Cross multiply
    403,988.66x = 557,497.36 × 222,717.45
  4. Step 4: Simplify right side
    403,988.66x = 124,164,390,679.33
  5. Step 5: Solve for x
    x = 124,164,390,679.33/403,988.66
  6. Step 6: Final answer
    x = 307,346.23

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1.5x scale

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.