Home / 1,045,658.54-1,569,449.73-647,078.06

Finding the Fourth Proportional to 1,045,658.54, 1,569,449.73 and 647,078.06

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Solution

The fourth proportional to 1,045,658.54, 1,569,449.73 and 647,078.06 is: 971,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,658.54 : 1,569,449.73 = 647,078.06 : x
  2. Step 2: Convert to fraction form
    1,045,658.54/1,569,449.73 = 647,078.06/x
  3. Step 3: Cross multiply
    1,045,658.54x = 1,569,449.73 × 647,078.06
  4. Step 4: Simplify right side
    1,045,658.54x = 1,015,556,486,555.92
  5. Step 5: Solve for x
    x = 1,015,556,486,555.92/1,045,658.54
  6. Step 6: Final answer
    x = 971,212.35

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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.