Home / 566,870.34-782,245.14-312,221.52

Finding the Fourth Proportional to 566,870.34, 782,245.14 and 312,221.52

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Solution

The fourth proportional to 566,870.34, 782,245.14 and 312,221.52 is: 430,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,870.34 : 782,245.14 = 312,221.52 : x
  2. Step 2: Convert to fraction form
    566,870.34/782,245.14 = 312,221.52/x
  3. Step 3: Cross multiply
    566,870.34x = 782,245.14 × 312,221.52
  4. Step 4: Simplify right side
    566,870.34x = 244,233,766,623.41
  5. Step 5: Solve for x
    x = 244,233,766,623.41/566,870.34
  6. Step 6: Final answer
    x = 430,845.91

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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.