Home / 1,189,683.16-1,784,525.70-978,877.96

Finding the Fourth Proportional to 1,189,683.16, 1,784,525.70 and 978,877.96

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Solution

The fourth proportional to 1,189,683.16, 1,784,525.70 and 978,877.96 is: 1,468,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,683.16 : 1,784,525.70 = 978,877.96 : x
  2. Step 2: Convert to fraction form
    1,189,683.16/1,784,525.70 = 978,877.96/x
  3. Step 3: Cross multiply
    1,189,683.16x = 1,784,525.70 × 978,877.96
  4. Step 4: Simplify right side
    1,189,683.16x = 1,746,832,876,783.57
  5. Step 5: Solve for x
    x = 1,746,832,876,783.57/1,189,683.16
  6. Step 6: Final answer
    x = 1,468,317.73

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