Home / 1,149,657.75-1,586,451.78-690,499.53

Finding the Fourth Proportional to 1,149,657.75, 1,586,451.78 and 690,499.53

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Solution

The fourth proportional to 1,149,657.75, 1,586,451.78 and 690,499.53 is: 952,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,657.75 : 1,586,451.78 = 690,499.53 : x
  2. Step 2: Convert to fraction form
    1,149,657.75/1,586,451.78 = 690,499.53/x
  3. Step 3: Cross multiply
    1,149,657.75x = 1,586,451.78 × 690,499.53
  4. Step 4: Simplify right side
    1,149,657.75x = 1,095,444,208,457.66
  5. Step 5: Solve for x
    x = 1,095,444,208,457.66/1,149,657.75
  6. Step 6: Final answer
    x = 952,843.76

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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.