Home / 868,246.20-1,302,369.30-782,537.40

Finding the Fourth Proportional to 868,246.20, 1,302,369.30 and 782,537.40

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Solution

The fourth proportional to 868,246.20, 1,302,369.30 and 782,537.40 is: 1,173,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,246.20 : 1,302,369.30 = 782,537.40 : x
  2. Step 2: Convert to fraction form
    868,246.20/1,302,369.30 = 782,537.40/x
  3. Step 3: Cross multiply
    868,246.20x = 1,302,369.30 × 782,537.40
  4. Step 4: Simplify right side
    868,246.20x = 1,019,152,685,861.82
  5. Step 5: Solve for x
    x = 1,019,152,685,861.82/868,246.20
  6. Step 6: Final answer
    x = 1,173,806.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.