Home / 300,764.47-451,852.14-283,741.45

Finding the Fourth Proportional to 300,764.47, 451,852.14 and 283,741.45

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Solution

The fourth proportional to 300,764.47, 451,852.14 and 283,741.45 is: 426,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,764.47 : 451,852.14 = 283,741.45 : x
  2. Step 2: Convert to fraction form
    300,764.47/451,852.14 = 283,741.45/x
  3. Step 3: Cross multiply
    300,764.47x = 451,852.14 × 283,741.45
  4. Step 4: Simplify right side
    300,764.47x = 128,209,181,389.20
  5. Step 5: Solve for x
    x = 128,209,181,389.20/300,764.47
  6. Step 6: Final answer
    x = 426,277.68

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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.