Home / 403,010.20-604,515.30-181,826.20

Finding the Fourth Proportional to 403,010.20, 604,515.30 and 181,826.20

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Solution

The fourth proportional to 403,010.20, 604,515.30 and 181,826.20 is: 272,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,010.20 : 604,515.30 = 181,826.20 : x
  2. Step 2: Convert to fraction form
    403,010.20/604,515.30 = 181,826.20/x
  3. Step 3: Cross multiply
    403,010.20x = 604,515.30 × 181,826.20
  4. Step 4: Simplify right side
    403,010.20x = 109,916,719,840.86
  5. Step 5: Solve for x
    x = 109,916,719,840.86/403,010.20
  6. Step 6: Final answer
    x = 272,739.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.