Home / 920,175.25-1,269,817.06-512,277.10

Finding the Fourth Proportional to 920,175.25, 1,269,817.06 and 512,277.10

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Solution

The fourth proportional to 920,175.25, 1,269,817.06 and 512,277.10 is: 706,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,175.25 : 1,269,817.06 = 512,277.10 : x
  2. Step 2: Convert to fraction form
    920,175.25/1,269,817.06 = 512,277.10/x
  3. Step 3: Cross multiply
    920,175.25x = 1,269,817.06 × 512,277.10
  4. Step 4: Simplify right side
    920,175.25x = 650,498,201,027.33
  5. Step 5: Solve for x
    x = 650,498,201,027.33/920,175.25
  6. Step 6: Final answer
    x = 706,928.60

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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.