Home / 527,435.64-727,817.94-298,012.86

Finding the Fourth Proportional to 527,435.64, 727,817.94 and 298,012.86

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Solution

The fourth proportional to 527,435.64, 727,817.94 and 298,012.86 is: 411,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,435.64 : 727,817.94 = 298,012.86 : x
  2. Step 2: Convert to fraction form
    527,435.64/727,817.94 = 298,012.86/x
  3. Step 3: Cross multiply
    527,435.64x = 727,817.94 × 298,012.86
  4. Step 4: Simplify right side
    527,435.64x = 216,899,105,858.71
  5. Step 5: Solve for x
    x = 216,899,105,858.71/527,435.64
  6. Step 6: Final answer
    x = 411,233.31

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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.