Home / 1,019,827.52-1,406,524.16-905,189.76

Finding the Fourth Proportional to 1,019,827.52, 1,406,524.16 and 905,189.76

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Solution

The fourth proportional to 1,019,827.52, 1,406,524.16 and 905,189.76 is: 1,248,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,827.52 : 1,406,524.16 = 905,189.76 : x
  2. Step 2: Convert to fraction form
    1,019,827.52/1,406,524.16 = 905,189.76/x
  3. Step 3: Cross multiply
    1,019,827.52x = 1,406,524.16 × 905,189.76
  4. Step 4: Simplify right side
    1,019,827.52x = 1,273,171,266,824.60
  5. Step 5: Solve for x
    x = 1,273,171,266,824.60/1,019,827.52
  6. Step 6: Final answer
    x = 1,248,418.23

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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.