Home / 811,187.85-1,119,100.97-466,941.41

Finding the Fourth Proportional to 811,187.85, 1,119,100.97 and 466,941.41

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Solution

The fourth proportional to 811,187.85, 1,119,100.97 and 466,941.41 is: 644,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,187.85 : 1,119,100.97 = 466,941.41 : x
  2. Step 2: Convert to fraction form
    811,187.85/1,119,100.97 = 466,941.41/x
  3. Step 3: Cross multiply
    811,187.85x = 1,119,100.97 × 466,941.41
  4. Step 4: Simplify right side
    811,187.85x = 522,554,583,319.37
  5. Step 5: Solve for x
    x = 522,554,583,319.37/811,187.85
  6. Step 6: Final answer
    x = 644,184.43

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1.5x scale

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.