Home / 809,541.61-1,117,211.20-446,964.35

Finding the Fourth Proportional to 809,541.61, 1,117,211.20 and 446,964.35

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Solution

The fourth proportional to 809,541.61, 1,117,211.20 and 446,964.35 is: 616,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,541.61 : 1,117,211.20 = 446,964.35 : x
  2. Step 2: Convert to fraction form
    809,541.61/1,117,211.20 = 446,964.35/x
  3. Step 3: Cross multiply
    809,541.61x = 1,117,211.20 × 446,964.35
  4. Step 4: Simplify right side
    809,541.61x = 499,353,571,117.25
  5. Step 5: Solve for x
    x = 499,353,571,117.25/809,541.61
  6. Step 6: Final answer
    x = 616,834.97

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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.