Home / 1,181,436.64-1,629,897.12-876,263.84

Finding the Fourth Proportional to 1,181,436.64, 1,629,897.12 and 876,263.84

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Solution

The fourth proportional to 1,181,436.64, 1,629,897.12 and 876,263.84 is: 1,208,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,436.64 : 1,629,897.12 = 876,263.84 : x
  2. Step 2: Convert to fraction form
    1,181,436.64/1,629,897.12 = 876,263.84/x
  3. Step 3: Cross multiply
    1,181,436.64x = 1,629,897.12 × 876,263.84
  4. Step 4: Simplify right side
    1,181,436.64x = 1,428,219,909,176.14
  5. Step 5: Solve for x
    x = 1,428,219,909,176.14/1,181,436.64
  6. Step 6: Final answer
    x = 1,208,884.05

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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.