Home / 403,960.69-557,465.59-222,675.63

Finding the Fourth Proportional to 403,960.69, 557,465.59 and 222,675.63

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Solution

The fourth proportional to 403,960.69, 557,465.59 and 222,675.63 is: 307,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,960.69 : 557,465.59 = 222,675.63 : x
  2. Step 2: Convert to fraction form
    403,960.69/557,465.59 = 222,675.63/x
  3. Step 3: Cross multiply
    403,960.69x = 557,465.59 × 222,675.63
  4. Step 4: Simplify right side
    403,960.69x = 124,134,001,456.57
  5. Step 5: Solve for x
    x = 124,134,001,456.57/403,960.69
  6. Step 6: Final answer
    x = 307,292.28

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Double scale
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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.