Home / 403,886.47-557,340.57-222,597.84

Finding the Fourth Proportional to 403,886.47, 557,340.57 and 222,597.84

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Solution

The fourth proportional to 403,886.47, 557,340.57 and 222,597.84 is: 307,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,886.47 : 557,340.57 = 222,597.84 : x
  2. Step 2: Convert to fraction form
    403,886.47/557,340.57 = 222,597.84/x
  3. Step 3: Cross multiply
    403,886.47x = 557,340.57 × 222,597.84
  4. Step 4: Simplify right side
    403,886.47x = 124,062,807,026.37
  5. Step 5: Solve for x
    x = 124,062,807,026.37/403,886.47
  6. Step 6: Final answer
    x = 307,172.48

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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.