Home / 487,829.53-731,210.50-251,186.41

Finding the Fourth Proportional to 487,829.53, 731,210.50 and 251,186.41

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Solution

The fourth proportional to 487,829.53, 731,210.50 and 251,186.41 is: 376,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,829.53 : 731,210.50 = 251,186.41 : x
  2. Step 2: Convert to fraction form
    487,829.53/731,210.50 = 251,186.41/x
  3. Step 3: Cross multiply
    487,829.53x = 731,210.50 × 251,186.41
  4. Step 4: Simplify right side
    487,829.53x = 183,670,140,449.31
  5. Step 5: Solve for x
    x = 183,670,140,449.31/487,829.53
  6. Step 6: Final answer
    x = 376,504.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.