Home / 566,829.20-782,259.66-312,180.32

Finding the Fourth Proportional to 566,829.20, 782,259.66 and 312,180.32

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Solution

The fourth proportional to 566,829.20, 782,259.66 and 312,180.32 is: 430,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,829.20 : 782,259.66 = 312,180.32 : x
  2. Step 2: Convert to fraction form
    566,829.20/782,259.66 = 312,180.32/x
  3. Step 3: Cross multiply
    566,829.20x = 782,259.66 × 312,180.32
  4. Step 4: Simplify right side
    566,829.20x = 244,206,067,070.59
  5. Step 5: Solve for x
    x = 244,206,067,070.59/566,829.20
  6. Step 6: Final answer
    x = 430,828.32

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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.