Home / 566,820.57-782,247.75-312,171.69

Finding the Fourth Proportional to 566,820.57, 782,247.75 and 312,171.69

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Solution

The fourth proportional to 566,820.57, 782,247.75 and 312,171.69 is: 430,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,820.57 : 782,247.75 = 312,171.69 : x
  2. Step 2: Convert to fraction form
    566,820.57/782,247.75 = 312,171.69/x
  3. Step 3: Cross multiply
    566,820.57x = 782,247.75 × 312,171.69
  4. Step 4: Simplify right side
    566,820.57x = 244,195,602,116.20
  5. Step 5: Solve for x
    x = 244,195,602,116.20/566,820.57
  6. Step 6: Final answer
    x = 430,816.41

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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.