Home / 519,031.15-716,263.56-304,171.43

Finding the Fourth Proportional to 519,031.15, 716,263.56 and 304,171.43

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Solution

The fourth proportional to 519,031.15, 716,263.56 and 304,171.43 is: 419,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,031.15 : 716,263.56 = 304,171.43 : x
  2. Step 2: Convert to fraction form
    519,031.15/716,263.56 = 304,171.43/x
  3. Step 3: Cross multiply
    519,031.15x = 716,263.56 × 304,171.43
  4. Step 4: Simplify right side
    519,031.15x = 217,866,907,720.77
  5. Step 5: Solve for x
    x = 217,866,907,720.77/519,031.15
  6. Step 6: Final answer
    x = 419,756.90

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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.