Home / 874,022.10-1,206,265.44-492,123.30

Finding the Fourth Proportional to 874,022.10, 1,206,265.44 and 492,123.30

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Solution

The fourth proportional to 874,022.10, 1,206,265.44 and 492,123.30 is: 679,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,022.10 : 1,206,265.44 = 492,123.30 : x
  2. Step 2: Convert to fraction form
    874,022.10/1,206,265.44 = 492,123.30/x
  3. Step 3: Cross multiply
    874,022.10x = 1,206,265.44 × 492,123.30
  4. Step 4: Simplify right side
    874,022.10x = 593,631,329,008.75
  5. Step 5: Solve for x
    x = 593,631,329,008.75/874,022.10
  6. Step 6: Final answer
    x = 679,194.87

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Double scale
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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.