Home / 1,152,620.84-1,730,148.68-647,613.40

Finding the Fourth Proportional to 1,152,620.84, 1,730,148.68 and 647,613.40

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Solution

The fourth proportional to 1,152,620.84, 1,730,148.68 and 647,613.40 is: 972,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,620.84 : 1,730,148.68 = 647,613.40 : x
  2. Step 2: Convert to fraction form
    1,152,620.84/1,730,148.68 = 647,613.40/x
  3. Step 3: Cross multiply
    1,152,620.84x = 1,730,148.68 × 647,613.40
  4. Step 4: Simplify right side
    1,152,620.84x = 1,120,467,469,160.31
  5. Step 5: Solve for x
    x = 1,120,467,469,160.31/1,152,620.84
  6. Step 6: Final answer
    x = 972,104.12

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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.