Home / 941,099.80-1,298,719.02-511,385.08

Finding the Fourth Proportional to 941,099.80, 1,298,719.02 and 511,385.08

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Solution

The fourth proportional to 941,099.80, 1,298,719.02 and 511,385.08 is: 705,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,099.80 : 1,298,719.02 = 511,385.08 : x
  2. Step 2: Convert to fraction form
    941,099.80/1,298,719.02 = 511,385.08/x
  3. Step 3: Cross multiply
    941,099.80x = 1,298,719.02 × 511,385.08
  4. Step 4: Simplify right side
    941,099.80x = 664,145,529,940.22
  5. Step 5: Solve for x
    x = 664,145,529,940.22/941,099.80
  6. Step 6: Final answer
    x = 705,712.11

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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.