Home / 936,410.16-1,292,236.32-506,680.80

Finding the Fourth Proportional to 936,410.16, 1,292,236.32 and 506,680.80

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Solution

The fourth proportional to 936,410.16, 1,292,236.32 and 506,680.80 is: 699,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,410.16 : 1,292,236.32 = 506,680.80 : x
  2. Step 2: Convert to fraction form
    936,410.16/1,292,236.32 = 506,680.80/x
  3. Step 3: Cross multiply
    936,410.16x = 1,292,236.32 × 506,680.80
  4. Step 4: Simplify right side
    936,410.16x = 654,751,332,406.66
  5. Step 5: Solve for x
    x = 654,751,332,406.66/936,410.16
  6. Step 6: Final answer
    x = 699,214.26

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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.