Home / 566,444.76-781,710.38-308,338.54

Finding the Fourth Proportional to 566,444.76, 781,710.38 and 308,338.54

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Solution

The fourth proportional to 566,444.76, 781,710.38 and 308,338.54 is: 425,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,444.76 : 781,710.38 = 308,338.54 : x
  2. Step 2: Convert to fraction form
    566,444.76/781,710.38 = 308,338.54/x
  3. Step 3: Cross multiply
    566,444.76x = 781,710.38 × 308,338.54
  4. Step 4: Simplify right side
    566,444.76x = 241,031,437,272.05
  5. Step 5: Solve for x
    x = 241,031,437,272.05/566,444.76
  6. Step 6: Final answer
    x = 425,516.23

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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.