Home / 1,040,459-1,435,950.12-587,779.16

Finding the Fourth Proportional to 1,040,459, 1,435,950.12 and 587,779.16

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Solution

The fourth proportional to 1,040,459, 1,435,950.12 and 587,779.16 is: 811,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,459 : 1,435,950.12 = 587,779.16 : x
  2. Step 2: Convert to fraction form
    1,040,459/1,435,950.12 = 587,779.16/x
  3. Step 3: Cross multiply
    1,040,459x = 1,435,950.12 × 587,779.16
  4. Step 4: Simplify right side
    1,040,459x = 844,021,555,335.50
  5. Step 5: Solve for x
    x = 844,021,555,335.50/1,040,459
  6. Step 6: Final answer
    x = 811,201.17

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1.5x scale

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.