Home / 526,984.47-790,386.66-189,958.05

Finding the Fourth Proportional to 526,984.47, 790,386.66 and 189,958.05

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Solution

The fourth proportional to 526,984.47, 790,386.66 and 189,958.05 is: 284,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,984.47 : 790,386.66 = 189,958.05 : x
  2. Step 2: Convert to fraction form
    526,984.47/790,386.66 = 189,958.05/x
  3. Step 3: Cross multiply
    526,984.47x = 790,386.66 × 189,958.05
  4. Step 4: Simplify right side
    526,984.47x = 150,140,308,679.61
  5. Step 5: Solve for x
    x = 150,140,308,679.61/526,984.47
  6. Step 6: Final answer
    x = 284,904.62

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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.