Home / 1,323,037.79-1,985,212.78-524,301.65

Finding the Fourth Proportional to 1,323,037.79, 1,985,212.78 and 524,301.65

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Solution

The fourth proportional to 1,323,037.79, 1,985,212.78 and 524,301.65 is: 786,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,037.79 : 1,985,212.78 = 524,301.65 : x
  2. Step 2: Convert to fraction form
    1,323,037.79/1,985,212.78 = 524,301.65/x
  3. Step 3: Cross multiply
    1,323,037.79x = 1,985,212.78 × 524,301.65
  4. Step 4: Simplify right side
    1,323,037.79x = 1,040,850,336,155.09
  5. Step 5: Solve for x
    x = 1,040,850,336,155.09/1,323,037.79
  6. Step 6: Final answer
    x = 786,712.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.