Home / 941,041.80-1,298,645.61-511,321.95

Finding the Fourth Proportional to 941,041.80, 1,298,645.61 and 511,321.95

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Solution

The fourth proportional to 941,041.80, 1,298,645.61 and 511,321.95 is: 705,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,041.80 : 1,298,645.61 = 511,321.95 : x
  2. Step 2: Convert to fraction form
    941,041.80/1,298,645.61 = 511,321.95/x
  3. Step 3: Cross multiply
    941,041.80x = 1,298,645.61 × 511,321.95
  4. Step 4: Simplify right side
    941,041.80x = 664,026,005,664.14
  5. Step 5: Solve for x
    x = 664,026,005,664.14/941,041.80
  6. Step 6: Final answer
    x = 705,628.60

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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.