Home / 567,214.24-782,760.90-312,574.54

Finding the Fourth Proportional to 567,214.24, 782,760.90 and 312,574.54

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Solution

The fourth proportional to 567,214.24, 782,760.90 and 312,574.54 is: 431,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,214.24 : 782,760.90 = 312,574.54 : x
  2. Step 2: Convert to fraction form
    567,214.24/782,760.90 = 312,574.54/x
  3. Step 3: Cross multiply
    567,214.24x = 782,760.90 × 312,574.54
  4. Step 4: Simplify right side
    567,214.24x = 244,671,128,247.49
  5. Step 5: Solve for x
    x = 244,671,128,247.49/567,214.24
  6. Step 6: Final answer
    x = 431,355.76

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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.