Home / 407,726.60-562,681.35-226,439.28

Finding the Fourth Proportional to 407,726.60, 562,681.35 and 226,439.28

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Solution

The fourth proportional to 407,726.60, 562,681.35 and 226,439.28 is: 312,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,726.60 : 562,681.35 = 226,439.28 : x
  2. Step 2: Convert to fraction form
    407,726.60/562,681.35 = 226,439.28/x
  3. Step 3: Cross multiply
    407,726.60x = 562,681.35 × 226,439.28
  4. Step 4: Simplify right side
    407,726.60x = 127,413,159,763.43
  5. Step 5: Solve for x
    x = 127,413,159,763.43/407,726.60
  6. Step 6: Final answer
    x = 312,496.56

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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.