Home / 527,499.06-727,947.68-285,787.67

Finding the Fourth Proportional to 527,499.06, 727,947.68 and 285,787.67

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Solution

The fourth proportional to 527,499.06, 727,947.68 and 285,787.67 is: 394,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,499.06 : 727,947.68 = 285,787.67 : x
  2. Step 2: Convert to fraction form
    527,499.06/727,947.68 = 285,787.67/x
  3. Step 3: Cross multiply
    527,499.06x = 727,947.68 × 285,787.67
  4. Step 4: Simplify right side
    527,499.06x = 208,038,466,280.43
  5. Step 5: Solve for x
    x = 208,038,466,280.43/527,499.06
  6. Step 6: Final answer
    x = 394,386.42

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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.