Home / 1,142,884.86-1,715,273.18-574,428.90

Finding the Fourth Proportional to 1,142,884.86, 1,715,273.18 and 574,428.90

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Solution

The fourth proportional to 1,142,884.86, 1,715,273.18 and 574,428.90 is: 862,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,884.86 : 1,715,273.18 = 574,428.90 : x
  2. Step 2: Convert to fraction form
    1,142,884.86/1,715,273.18 = 574,428.90/x
  3. Step 3: Cross multiply
    1,142,884.86x = 1,715,273.18 × 574,428.90
  4. Step 4: Simplify right side
    1,142,884.86x = 985,302,485,986.90
  5. Step 5: Solve for x
    x = 985,302,485,986.90/1,142,884.86
  6. Step 6: Final answer
    x = 862,118.77

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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.