Home / 771,150.01-1,064,200.17-422,321.08

Finding the Fourth Proportional to 771,150.01, 1,064,200.17 and 422,321.08

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Solution

The fourth proportional to 771,150.01, 1,064,200.17 and 422,321.08 is: 582,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,150.01 : 1,064,200.17 = 422,321.08 : x
  2. Step 2: Convert to fraction form
    771,150.01/1,064,200.17 = 422,321.08/x
  3. Step 3: Cross multiply
    771,150.01x = 1,064,200.17 × 422,321.08
  4. Step 4: Simplify right side
    771,150.01x = 449,434,165,130.58
  5. Step 5: Solve for x
    x = 449,434,165,130.58/771,150.01
  6. Step 6: Final answer
    x = 582,810.30

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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.