Home / 1,324,991.60-1,987,487.40-661,439.60

Finding the Fourth Proportional to 1,324,991.60, 1,987,487.40 and 661,439.60

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Solution

The fourth proportional to 1,324,991.60, 1,987,487.40 and 661,439.60 is: 992,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,991.60 : 1,987,487.40 = 661,439.60 : x
  2. Step 2: Convert to fraction form
    1,324,991.60/1,987,487.40 = 661,439.60/x
  3. Step 3: Cross multiply
    1,324,991.60x = 1,987,487.40 × 661,439.60
  4. Step 4: Simplify right side
    1,324,991.60x = 1,314,602,870,861.04
  5. Step 5: Solve for x
    x = 1,314,602,870,861.04/1,324,991.60
  6. Step 6: Final answer
    x = 992,159.40

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Double scale
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Similar ratio
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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.