Home / 527,476.21-727,916.29-285,764.92

Finding the Fourth Proportional to 527,476.21, 727,916.29 and 285,764.92

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Solution

The fourth proportional to 527,476.21, 727,916.29 and 285,764.92 is: 394,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,476.21 : 727,916.29 = 285,764.92 : x
  2. Step 2: Convert to fraction form
    527,476.21/727,916.29 = 285,764.92/x
  3. Step 3: Cross multiply
    527,476.21x = 727,916.29 × 285,764.92
  4. Step 4: Simplify right side
    527,476.21x = 208,012,937,844.34
  5. Step 5: Solve for x
    x = 208,012,937,844.34/527,476.21
  6. Step 6: Final answer
    x = 394,355.11

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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.