Home / 1,142,609.72-1,576,851.18-633,312.50

Finding the Fourth Proportional to 1,142,609.72, 1,576,851.18 and 633,312.50

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Solution

The fourth proportional to 1,142,609.72, 1,576,851.18 and 633,312.50 is: 873,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,609.72 : 1,576,851.18 = 633,312.50 : x
  2. Step 2: Convert to fraction form
    1,142,609.72/1,576,851.18 = 633,312.50/x
  3. Step 3: Cross multiply
    1,142,609.72x = 1,576,851.18 × 633,312.50
  4. Step 4: Simplify right side
    1,142,609.72x = 998,639,562,933.75
  5. Step 5: Solve for x
    x = 998,639,562,933.75/1,142,609.72
  6. Step 6: Final answer
    x = 873,998.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.