Home / 851,126.50-1,174,562.49-469,166.95

Finding the Fourth Proportional to 851,126.50, 1,174,562.49 and 469,166.95

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Solution

The fourth proportional to 851,126.50, 1,174,562.49 and 469,166.95 is: 647,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,126.50 : 1,174,562.49 = 469,166.95 : x
  2. Step 2: Convert to fraction form
    851,126.50/1,174,562.49 = 469,166.95/x
  3. Step 3: Cross multiply
    851,126.50x = 1,174,562.49 × 469,166.95
  4. Step 4: Simplify right side
    851,126.50x = 551,065,901,017.71
  5. Step 5: Solve for x
    x = 551,065,901,017.71/851,126.50
  6. Step 6: Final answer
    x = 647,454.76

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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.