Home / 851,273.09-1,174,764.90-469,313.54

Finding the Fourth Proportional to 851,273.09, 1,174,764.90 and 469,313.54

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Solution

The fourth proportional to 851,273.09, 1,174,764.90 and 469,313.54 is: 647,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,273.09 : 1,174,764.90 = 469,313.54 : x
  2. Step 2: Convert to fraction form
    851,273.09/1,174,764.90 = 469,313.54/x
  3. Step 3: Cross multiply
    851,273.09x = 1,174,764.90 × 469,313.54
  4. Step 4: Simplify right side
    851,273.09x = 551,333,076,826.44
  5. Step 5: Solve for x
    x = 551,333,076,826.44/851,273.09
  6. Step 6: Final answer
    x = 647,657.12

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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.