Home / 527,390.50-727,781.80-294,811.25

Finding the Fourth Proportional to 527,390.50, 727,781.80 and 294,811.25

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Solution

The fourth proportional to 527,390.50, 727,781.80 and 294,811.25 is: 406,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,390.50 : 727,781.80 = 294,811.25 : x
  2. Step 2: Convert to fraction form
    527,390.50/727,781.80 = 294,811.25/x
  3. Step 3: Cross multiply
    527,390.50x = 727,781.80 × 294,811.25
  4. Step 4: Simplify right side
    527,390.50x = 214,558,261,828.29
  5. Step 5: Solve for x
    x = 214,558,261,828.29/527,390.50
  6. Step 6: Final answer
    x = 406,829.97

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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.