Home / 566,277.33-781,462.85-311,628.52

Finding the Fourth Proportional to 566,277.33, 781,462.85 and 311,628.52

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Solution

The fourth proportional to 566,277.33, 781,462.85 and 311,628.52 is: 430,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,277.33 : 781,462.85 = 311,628.52 : x
  2. Step 2: Convert to fraction form
    566,277.33/781,462.85 = 311,628.52/x
  3. Step 3: Cross multiply
    566,277.33x = 781,462.85 × 311,628.52
  4. Step 4: Simplify right side
    566,277.33x = 243,526,112,552.08
  5. Step 5: Solve for x
    x = 243,526,112,552.08/566,277.33
  6. Step 6: Final answer
    x = 430,047.43

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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.