Home / 1,419,187.13-1,958,247.32-838,329.95

Finding the Fourth Proportional to 1,419,187.13, 1,958,247.32 and 838,329.95

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Solution

The fourth proportional to 1,419,187.13, 1,958,247.32 and 838,329.95 is: 1,156,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,187.13 : 1,958,247.32 = 838,329.95 : x
  2. Step 2: Convert to fraction form
    1,419,187.13/1,958,247.32 = 838,329.95/x
  3. Step 3: Cross multiply
    1,419,187.13x = 1,958,247.32 × 838,329.95
  4. Step 4: Simplify right side
    1,419,187.13x = 1,641,657,380,925.01
  5. Step 5: Solve for x
    x = 1,641,657,380,925.01/1,419,187.13
  6. Step 6: Final answer
    x = 1,156,758.93

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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.