Home / 1,240,513.85-1,711,902.63-696,672.56

Finding the Fourth Proportional to 1,240,513.85, 1,711,902.63 and 696,672.56

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Solution

The fourth proportional to 1,240,513.85, 1,711,902.63 and 696,672.56 is: 961,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,513.85 : 1,711,902.63 = 696,672.56 : x
  2. Step 2: Convert to fraction form
    1,240,513.85/1,711,902.63 = 696,672.56/x
  3. Step 3: Cross multiply
    1,240,513.85x = 1,711,902.63 × 696,672.56
  4. Step 4: Simplify right side
    1,240,513.85x = 1,192,635,594,605.11
  5. Step 5: Solve for x
    x = 1,192,635,594,605.11/1,240,513.85
  6. Step 6: Final answer
    x = 961,404.50

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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.