Home / 7,722,039.60-10,657,693.80-4,285,384.56

Finding the Fourth Proportional to 7,722,039.60, 10,657,693.80 and 4,285,384.56

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Solution

The fourth proportional to 7,722,039.60, 10,657,693.80 and 4,285,384.56 is: 5,914,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,039.60 : 10,657,693.80 = 4,285,384.56 : x
  2. Step 2: Convert to fraction form
    7,722,039.60/10,657,693.80 = 4,285,384.56/x
  3. Step 3: Cross multiply
    7,722,039.60x = 10,657,693.80 × 4,285,384.56
  4. Step 4: Simplify right side
    7,722,039.60x = 45,672,316,455,727.73
  5. Step 5: Solve for x
    x = 45,672,316,455,727.73/7,722,039.60
  6. Step 6: Final answer
    x = 5,914,540.56

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.