Home / 478,984.58-718,476.92-194,829.69

Finding the Fourth Proportional to 478,984.58, 718,476.92 and 194,829.69

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Solution

The fourth proportional to 478,984.58, 718,476.92 and 194,829.69 is: 292,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,984.58 : 718,476.92 = 194,829.69 : x
  2. Step 2: Convert to fraction form
    478,984.58/718,476.92 = 194,829.69/x
  3. Step 3: Cross multiply
    478,984.58x = 718,476.92 × 194,829.69
  4. Step 4: Simplify right side
    478,984.58x = 139,980,634,621.61
  5. Step 5: Solve for x
    x = 139,980,634,621.61/478,984.58
  6. Step 6: Final answer
    x = 292,244.56

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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.