Home / 6,605,123.40-9,907,685.10-4,331,736.90

Finding the Fourth Proportional to 6,605,123.40, 9,907,685.10 and 4,331,736.90

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Solution

The fourth proportional to 6,605,123.40, 9,907,685.10 and 4,331,736.90 is: 6,497,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,123.40 : 9,907,685.10 = 4,331,736.90 : x
  2. Step 2: Convert to fraction form
    6,605,123.40/9,907,685.10 = 4,331,736.90/x
  3. Step 3: Cross multiply
    6,605,123.40x = 9,907,685.10 × 4,331,736.90
  4. Step 4: Simplify right side
    6,605,123.40x = 42,917,485,141,250.20
  5. Step 5: Solve for x
    x = 42,917,485,141,250.20/6,605,123.40
  6. Step 6: Final answer
    x = 6,497,605.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.