Home / 805,604.43-1,111,762.64-443,056.35

Finding the Fourth Proportional to 805,604.43, 1,111,762.64 and 443,056.35

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Solution

The fourth proportional to 805,604.43, 1,111,762.64 and 443,056.35 is: 611,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,604.43 : 1,111,762.64 = 443,056.35 : x
  2. Step 2: Convert to fraction form
    805,604.43/1,111,762.64 = 443,056.35/x
  3. Step 3: Cross multiply
    805,604.43x = 1,111,762.64 × 443,056.35
  4. Step 4: Simplify right side
    805,604.43x = 492,573,497,344.76
  5. Step 5: Solve for x
    x = 492,573,497,344.76/805,604.43
  6. Step 6: Final answer
    x = 611,433.45

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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.