Home / 1,074,657.76-1,483,391.86-666,998.22

Finding the Fourth Proportional to 1,074,657.76, 1,483,391.86 and 666,998.22

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Solution

The fourth proportional to 1,074,657.76, 1,483,391.86 and 666,998.22 is: 920,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,657.76 : 1,483,391.86 = 666,998.22 : x
  2. Step 2: Convert to fraction form
    1,074,657.76/1,483,391.86 = 666,998.22/x
  3. Step 3: Cross multiply
    1,074,657.76x = 1,483,391.86 × 666,998.22
  4. Step 4: Simplify right side
    1,074,657.76x = 989,419,730,182.49
  5. Step 5: Solve for x
    x = 989,419,730,182.49/1,074,657.76
  6. Step 6: Final answer
    x = 920,683.56

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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.