Home / 653,736.12-902,194.44-492,306.36

Finding the Fourth Proportional to 653,736.12, 902,194.44 and 492,306.36

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Solution

The fourth proportional to 653,736.12, 902,194.44 and 492,306.36 is: 679,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,736.12 : 902,194.44 = 492,306.36 : x
  2. Step 2: Convert to fraction form
    653,736.12/902,194.44 = 492,306.36/x
  3. Step 3: Cross multiply
    653,736.12x = 902,194.44 × 492,306.36
  4. Step 4: Simplify right side
    653,736.12x = 444,156,060,768.64
  5. Step 5: Solve for x
    x = 444,156,060,768.64/653,736.12
  6. Step 6: Final answer
    x = 679,411.84

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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.