Home / 704,004.85-1,056,007.28-424,068.85

Finding the Fourth Proportional to 704,004.85, 1,056,007.28 and 424,068.85

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Solution

The fourth proportional to 704,004.85, 1,056,007.28 and 424,068.85 is: 636,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,004.85 : 1,056,007.28 = 424,068.85 : x
  2. Step 2: Convert to fraction form
    704,004.85/1,056,007.28 = 424,068.85/x
  3. Step 3: Cross multiply
    704,004.85x = 1,056,007.28 × 424,068.85
  4. Step 4: Simplify right side
    704,004.85x = 447,819,790,700.88
  5. Step 5: Solve for x
    x = 447,819,790,700.88/704,004.85
  6. Step 6: Final answer
    x = 636,103.28

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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.