Home / 862,558.02-1,190,331.09-500,192.46

Finding the Fourth Proportional to 862,558.02, 1,190,331.09 and 500,192.46

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Solution

The fourth proportional to 862,558.02, 1,190,331.09 and 500,192.46 is: 690,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,558.02 : 1,190,331.09 = 500,192.46 : x
  2. Step 2: Convert to fraction form
    862,558.02/1,190,331.09 = 500,192.46/x
  3. Step 3: Cross multiply
    862,558.02x = 1,190,331.09 × 500,192.46
  4. Step 4: Simplify right side
    862,558.02x = 595,394,636,121.58
  5. Step 5: Solve for x
    x = 595,394,636,121.58/862,558.02
  6. Step 6: Final answer
    x = 690,266.19

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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.