Home / 862,621.34-1,190,422.17-500,260.04

Finding the Fourth Proportional to 862,621.34, 1,190,422.17 and 500,260.04

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Solution

The fourth proportional to 862,621.34, 1,190,422.17 and 500,260.04 is: 690,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,621.34 : 1,190,422.17 = 500,260.04 : x
  2. Step 2: Convert to fraction form
    862,621.34/1,190,422.17 = 500,260.04/x
  3. Step 3: Cross multiply
    862,621.34x = 1,190,422.17 × 500,260.04
  4. Step 4: Simplify right side
    862,621.34x = 595,520,636,428.98
  5. Step 5: Solve for x
    x = 595,520,636,428.98/862,621.34
  6. Step 6: Final answer
    x = 690,361.59

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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.