Home / 403,981.47-557,494.23-222,696.36

Finding the Fourth Proportional to 403,981.47, 557,494.23 and 222,696.36

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Solution

The fourth proportional to 403,981.47, 557,494.23 and 222,696.36 is: 307,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,981.47 : 557,494.23 = 222,696.36 : x
  2. Step 2: Convert to fraction form
    403,981.47/557,494.23 = 222,696.36/x
  3. Step 3: Cross multiply
    403,981.47x = 557,494.23 × 222,696.36
  4. Step 4: Simplify right side
    403,981.47x = 124,151,935,742.00
  5. Step 5: Solve for x
    x = 124,151,935,742.00/403,981.47
  6. Step 6: Final answer
    x = 307,320.87

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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.