Home / 653,089.20-901,181.44-362,661.28

Finding the Fourth Proportional to 653,089.20, 901,181.44 and 362,661.28

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Solution

The fourth proportional to 653,089.20, 901,181.44 and 362,661.28 is: 500,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,089.20 : 901,181.44 = 362,661.28 : x
  2. Step 2: Convert to fraction form
    653,089.20/901,181.44 = 362,661.28/x
  3. Step 3: Cross multiply
    653,089.20x = 901,181.44 × 362,661.28
  4. Step 4: Simplify right side
    653,089.20x = 326,823,614,542.64
  5. Step 5: Solve for x
    x = 326,823,614,542.64/653,089.20
  6. Step 6: Final answer
    x = 500,427.22

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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.