Home / 851,288.32-1,174,821.33-469,314.19

Finding the Fourth Proportional to 851,288.32, 1,174,821.33 and 469,314.19

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Solution

The fourth proportional to 851,288.32, 1,174,821.33 and 469,314.19 is: 647,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,288.32 : 1,174,821.33 = 469,314.19 : x
  2. Step 2: Convert to fraction form
    851,288.32/1,174,821.33 = 469,314.19/x
  3. Step 3: Cross multiply
    851,288.32x = 1,174,821.33 × 469,314.19
  4. Step 4: Simplify right side
    851,288.32x = 551,360,320,883.67
  5. Step 5: Solve for x
    x = 551,360,320,883.67/851,288.32
  6. Step 6: Final answer
    x = 647,677.54

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Double scale
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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.