Home / 851,434.94-1,174,920.19-469,453.52

Finding the Fourth Proportional to 851,434.94, 1,174,920.19 and 469,453.52

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Solution

The fourth proportional to 851,434.94, 1,174,920.19 and 469,453.52 is: 647,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,434.94 : 1,174,920.19 = 469,453.52 : x
  2. Step 2: Convert to fraction form
    851,434.94/1,174,920.19 = 469,453.52/x
  3. Step 3: Cross multiply
    851,434.94x = 1,174,920.19 × 469,453.52
  4. Step 4: Simplify right side
    851,434.94x = 551,570,420,678.24
  5. Step 5: Solve for x
    x = 551,570,420,678.24/851,434.94
  6. Step 6: Final answer
    x = 647,812.76

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1.5x scale

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.