Home / 474,516.12-654,812.70-283,634.76

Finding the Fourth Proportional to 474,516.12, 654,812.70 and 283,634.76

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Solution

The fourth proportional to 474,516.12, 654,812.70 and 283,634.76 is: 391,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,516.12 : 654,812.70 = 283,634.76 : x
  2. Step 2: Convert to fraction form
    474,516.12/654,812.70 = 283,634.76/x
  3. Step 3: Cross multiply
    474,516.12x = 654,812.70 × 283,634.76
  4. Step 4: Simplify right side
    474,516.12x = 185,727,643,009.45
  5. Step 5: Solve for x
    x = 185,727,643,009.45/474,516.12
  6. Step 6: Final answer
    x = 391,404.29

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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.