Home / 527,282.35-727,662.95-323,445.67

Finding the Fourth Proportional to 527,282.35, 727,662.95 and 323,445.67

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Solution

The fourth proportional to 527,282.35, 727,662.95 and 323,445.67 is: 446,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,282.35 : 727,662.95 = 323,445.67 : x
  2. Step 2: Convert to fraction form
    527,282.35/727,662.95 = 323,445.67/x
  3. Step 3: Cross multiply
    527,282.35x = 727,662.95 × 323,445.67
  4. Step 4: Simplify right side
    527,282.35x = 235,359,430,396.93
  5. Step 5: Solve for x
    x = 235,359,430,396.93/527,282.35
  6. Step 6: Final answer
    x = 446,363.19

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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.