Home / 1,779,404.60-2,668,847.70-517,100.60

Finding the Fourth Proportional to 1,779,404.60, 2,668,847.70 and 517,100.60

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Solution

The fourth proportional to 1,779,404.60, 2,668,847.70 and 517,100.60 is: 775,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,404.60 : 2,668,847.70 = 517,100.60 : x
  2. Step 2: Convert to fraction form
    1,779,404.60/2,668,847.70 = 517,100.60/x
  3. Step 3: Cross multiply
    1,779,404.60x = 2,668,847.70 × 517,100.60
  4. Step 4: Simplify right side
    1,779,404.60x = 1,380,062,746,978.62
  5. Step 5: Solve for x
    x = 1,380,062,746,978.62/1,779,404.60
  6. Step 6: Final answer
    x = 775,575.58

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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.