Home / 527,378.40-727,766.64-297,946.44

Finding the Fourth Proportional to 527,378.40, 727,766.64 and 297,946.44

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Solution

The fourth proportional to 527,378.40, 727,766.64 and 297,946.44 is: 411,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,378.40 : 727,766.64 = 297,946.44 : x
  2. Step 2: Convert to fraction form
    527,378.40/727,766.64 = 297,946.44/x
  3. Step 3: Cross multiply
    527,378.40x = 727,766.64 × 297,946.44
  4. Step 4: Simplify right side
    527,378.40x = 216,835,479,538.76
  5. Step 5: Solve for x
    x = 216,835,479,538.76/527,378.40
  6. Step 6: Final answer
    x = 411,157.30

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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.