Home / 403,160.24-556,129.72-251,994.80

Finding the Fourth Proportional to 403,160.24, 556,129.72 and 251,994.80

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Solution

The fourth proportional to 403,160.24, 556,129.72 and 251,994.80 is: 347,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,160.24 : 556,129.72 = 251,994.80 : x
  2. Step 2: Convert to fraction form
    403,160.24/556,129.72 = 251,994.80/x
  3. Step 3: Cross multiply
    403,160.24x = 556,129.72 × 251,994.80
  4. Step 4: Simplify right side
    403,160.24x = 140,141,796,851.28
  5. Step 5: Solve for x
    x = 140,141,796,851.28/403,160.24
  6. Step 6: Final answer
    x = 347,608.18

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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.