Home / 874,023.10-1,206,266.82-492,124.30

Finding the Fourth Proportional to 874,023.10, 1,206,266.82 and 492,124.30

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Solution

The fourth proportional to 874,023.10, 1,206,266.82 and 492,124.30 is: 679,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,023.10 : 1,206,266.82 = 492,124.30 : x
  2. Step 2: Convert to fraction form
    874,023.10/1,206,266.82 = 492,124.30/x
  3. Step 3: Cross multiply
    874,023.10x = 1,206,266.82 × 492,124.30
  4. Step 4: Simplify right side
    874,023.10x = 593,633,214,405.73
  5. Step 5: Solve for x
    x = 593,633,214,405.73/874,023.10
  6. Step 6: Final answer
    x = 679,196.25

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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.