Home / 1,118,003.64-1,543,803.98-1,081,851.13

Finding the Fourth Proportional to 1,118,003.64, 1,543,803.98 and 1,081,851.13

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Solution

The fourth proportional to 1,118,003.64, 1,543,803.98 and 1,081,851.13 is: 1,493,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,003.64 : 1,543,803.98 = 1,081,851.13 : x
  2. Step 2: Convert to fraction form
    1,118,003.64/1,543,803.98 = 1,081,851.13/x
  3. Step 3: Cross multiply
    1,118,003.64x = 1,543,803.98 × 1,081,851.13
  4. Step 4: Simplify right side
    1,118,003.64x = 1,670,166,080,261.50
  5. Step 5: Solve for x
    x = 1,670,166,080,261.50/1,118,003.64
  6. Step 6: Final answer
    x = 1,493,882.51

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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.