Home / 885,097.60-1,327,492.80-323,843.20

Finding the Fourth Proportional to 885,097.60, 1,327,492.80 and 323,843.20

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Solution

The fourth proportional to 885,097.60, 1,327,492.80 and 323,843.20 is: 485,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,097.60 : 1,327,492.80 = 323,843.20 : x
  2. Step 2: Convert to fraction form
    885,097.60/1,327,492.80 = 323,843.20/x
  3. Step 3: Cross multiply
    885,097.60x = 1,327,492.80 × 323,843.20
  4. Step 4: Simplify right side
    885,097.60x = 429,899,516,328.96
  5. Step 5: Solve for x
    x = 429,899,516,328.96/885,097.60
  6. Step 6: Final answer
    x = 485,708.60

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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.