Home / 566,815.32-782,240.49-312,166.44

Finding the Fourth Proportional to 566,815.32, 782,240.49 and 312,166.44

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Solution

The fourth proportional to 566,815.32, 782,240.49 and 312,166.44 is: 430,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,815.32 : 782,240.49 = 312,166.44 : x
  2. Step 2: Convert to fraction form
    566,815.32/782,240.49 = 312,166.44/x
  3. Step 3: Cross multiply
    566,815.32x = 782,240.49 × 312,166.44
  4. Step 4: Simplify right side
    566,815.32x = 244,189,228,987.16
  5. Step 5: Solve for x
    x = 244,189,228,987.16/566,815.32
  6. Step 6: Final answer
    x = 430,809.15

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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.