Home / 403,854.30-557,322.72-222,572.74

Finding the Fourth Proportional to 403,854.30, 557,322.72 and 222,572.74

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Solution

The fourth proportional to 403,854.30, 557,322.72 and 222,572.74 is: 307,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,854.30 : 557,322.72 = 222,572.74 : x
  2. Step 2: Convert to fraction form
    403,854.30/557,322.72 = 222,572.74/x
  3. Step 3: Cross multiply
    403,854.30x = 557,322.72 × 222,572.74
  4. Step 4: Simplify right side
    403,854.30x = 124,044,844,854.65
  5. Step 5: Solve for x
    x = 124,044,844,854.65/403,854.30
  6. Step 6: Final answer
    x = 307,152.47

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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.