Home / 533,245.68-736,064.28-306,981.36

Finding the Fourth Proportional to 533,245.68, 736,064.28 and 306,981.36

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Solution

The fourth proportional to 533,245.68, 736,064.28 and 306,981.36 is: 423,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,245.68 : 736,064.28 = 306,981.36 : x
  2. Step 2: Convert to fraction form
    533,245.68/736,064.28 = 306,981.36/x
  3. Step 3: Cross multiply
    533,245.68x = 736,064.28 × 306,981.36
  4. Step 4: Simplify right side
    533,245.68x = 225,958,013,721.82
  5. Step 5: Solve for x
    x = 225,958,013,721.82/533,245.68
  6. Step 6: Final answer
    x = 423,740.92

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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.