Home / 1,277,294.28-1,762,653.20-696,516

Finding the Fourth Proportional to 1,277,294.28, 1,762,653.20 and 696,516

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Solution

The fourth proportional to 1,277,294.28, 1,762,653.20 and 696,516 is: 961,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,294.28 : 1,762,653.20 = 696,516 : x
  2. Step 2: Convert to fraction form
    1,277,294.28/1,762,653.20 = 696,516/x
  3. Step 3: Cross multiply
    1,277,294.28x = 1,762,653.20 × 696,516
  4. Step 4: Simplify right side
    1,277,294.28x = 1,227,716,156,251.20
  5. Step 5: Solve for x
    x = 1,227,716,156,251.20/1,277,294.28
  6. Step 6: Final answer
    x = 961,185.04

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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.