Home / 566,917.90-782,347.77-308,794.05

Finding the Fourth Proportional to 566,917.90, 782,347.77 and 308,794.05

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Solution

The fourth proportional to 566,917.90, 782,347.77 and 308,794.05 is: 426,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,917.90 : 782,347.77 = 308,794.05 : x
  2. Step 2: Convert to fraction form
    566,917.90/782,347.77 = 308,794.05/x
  3. Step 3: Cross multiply
    566,917.90x = 782,347.77 × 308,794.05
  4. Step 4: Simplify right side
    566,917.90x = 241,584,336,406.77
  5. Step 5: Solve for x
    x = 241,584,336,406.77/566,917.90
  6. Step 6: Final answer
    x = 426,136.37

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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.