Home / 1,040,458.12-1,435,930.68-653,337.28

Finding the Fourth Proportional to 1,040,458.12, 1,435,930.68 and 653,337.28

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Solution

The fourth proportional to 1,040,458.12, 1,435,930.68 and 653,337.28 is: 901,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,458.12 : 1,435,930.68 = 653,337.28 : x
  2. Step 2: Convert to fraction form
    1,040,458.12/1,435,930.68 = 653,337.28/x
  3. Step 3: Cross multiply
    1,040,458.12x = 1,435,930.68 × 653,337.28
  4. Step 4: Simplify right side
    1,040,458.12x = 938,147,044,739.75
  5. Step 5: Solve for x
    x = 938,147,044,739.75/1,040,458.12
  6. Step 6: Final answer
    x = 901,667.28

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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.