Home / 980,942.80-1,470,636.60-537,710.80

Finding the Fourth Proportional to 980,942.80, 1,470,636.60 and 537,710.80

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Solution

The fourth proportional to 980,942.80, 1,470,636.60 and 537,710.80 is: 806,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,942.80 : 1,470,636.60 = 537,710.80 : x
  2. Step 2: Convert to fraction form
    980,942.80/1,470,636.60 = 537,710.80/x
  3. Step 3: Cross multiply
    980,942.80x = 1,470,636.60 × 537,710.80
  4. Step 4: Simplify right side
    980,942.80x = 790,777,182,695.28
  5. Step 5: Solve for x
    x = 790,777,182,695.28/980,942.80
  6. Step 6: Final answer
    x = 806,139.95

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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.