Home / 848,629.12-1,171,106.76-486,170.32

Finding the Fourth Proportional to 848,629.12, 1,171,106.76 and 486,170.32

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Solution

The fourth proportional to 848,629.12, 1,171,106.76 and 486,170.32 is: 670,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,629.12 : 1,171,106.76 = 486,170.32 : x
  2. Step 2: Convert to fraction form
    848,629.12/1,171,106.76 = 486,170.32/x
  3. Step 3: Cross multiply
    848,629.12x = 1,171,106.76 × 486,170.32
  4. Step 4: Simplify right side
    848,629.12x = 569,357,348,263.36
  5. Step 5: Solve for x
    x = 569,357,348,263.36/848,629.12
  6. Step 6: Final answer
    x = 670,914.22

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Double scale
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Similar ratio
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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.