Home / 1,391,624.66-2,086,779.07-539,095.61

Finding the Fourth Proportional to 1,391,624.66, 2,086,779.07 and 539,095.61

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Solution

The fourth proportional to 1,391,624.66, 2,086,779.07 and 539,095.61 is: 808,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,624.66 : 2,086,779.07 = 539,095.61 : x
  2. Step 2: Convert to fraction form
    1,391,624.66/2,086,779.07 = 539,095.61/x
  3. Step 3: Cross multiply
    1,391,624.66x = 2,086,779.07 × 539,095.61
  4. Step 4: Simplify right side
    1,391,624.66x = 1,124,973,441,567.70
  5. Step 5: Solve for x
    x = 1,124,973,441,567.70/1,391,624.66
  6. Step 6: Final answer
    x = 808,388.55

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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.