Home / 407,881.27-562,875.64-226,609.93

Finding the Fourth Proportional to 407,881.27, 562,875.64 and 226,609.93

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Solution

The fourth proportional to 407,881.27, 562,875.64 and 226,609.93 is: 312,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,881.27 : 562,875.64 = 226,609.93 : x
  2. Step 2: Convert to fraction form
    407,881.27/562,875.64 = 226,609.93/x
  3. Step 3: Cross multiply
    407,881.27x = 562,875.64 × 226,609.93
  4. Step 4: Simplify right side
    407,881.27x = 127,553,209,379.11
  5. Step 5: Solve for x
    x = 127,553,209,379.11/407,881.27
  6. Step 6: Final answer
    x = 312,721.42

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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.