Home / 851,566-1,175,107.44-488,734.50

Finding the Fourth Proportional to 851,566, 1,175,107.44 and 488,734.50

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Solution

The fourth proportional to 851,566, 1,175,107.44 and 488,734.50 is: 674,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,566 : 1,175,107.44 = 488,734.50 : x
  2. Step 2: Convert to fraction form
    851,566/1,175,107.44 = 488,734.50/x
  3. Step 3: Cross multiply
    851,566x = 1,175,107.44 × 488,734.50
  4. Step 4: Simplify right side
    851,566x = 574,315,547,134.68
  5. Step 5: Solve for x
    x = 574,315,547,134.68/851,566
  6. Step 6: Final answer
    x = 674,422.82

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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.