Home / 808,112.44-1,115,410.05-477,258.22

Finding the Fourth Proportional to 808,112.44, 1,115,410.05 and 477,258.22

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Solution

The fourth proportional to 808,112.44, 1,115,410.05 and 477,258.22 is: 658,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,112.44 : 1,115,410.05 = 477,258.22 : x
  2. Step 2: Convert to fraction form
    808,112.44/1,115,410.05 = 477,258.22/x
  3. Step 3: Cross multiply
    808,112.44x = 1,115,410.05 × 477,258.22
  4. Step 4: Simplify right side
    808,112.44x = 532,338,615,033.11
  5. Step 5: Solve for x
    x = 532,338,615,033.11/808,112.44
  6. Step 6: Final answer
    x = 658,743.25

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Half scale
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Double scale
Find fourth proportional to 808,113.44, 1,115,411.43 and 477,259.22
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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.