Home / 1,257,497.67-1,735,354.89-684,537.69

Finding the Fourth Proportional to 1,257,497.67, 1,735,354.89 and 684,537.69

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Solution

The fourth proportional to 1,257,497.67, 1,735,354.89 and 684,537.69 is: 944,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,497.67 : 1,735,354.89 = 684,537.69 : x
  2. Step 2: Convert to fraction form
    1,257,497.67/1,735,354.89 = 684,537.69/x
  3. Step 3: Cross multiply
    1,257,497.67x = 1,735,354.89 × 684,537.69
  4. Step 4: Simplify right side
    1,257,497.67x = 1,187,915,827,730.80
  5. Step 5: Solve for x
    x = 1,187,915,827,730.80/1,257,497.67
  6. Step 6: Final answer
    x = 944,666.42

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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.