Home / 783,921.60-1,081,892.16-461,733.12

Finding the Fourth Proportional to 783,921.60, 1,081,892.16 and 461,733.12

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Solution

The fourth proportional to 783,921.60, 1,081,892.16 and 461,733.12 is: 637,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,921.60 : 1,081,892.16 = 461,733.12 : x
  2. Step 2: Convert to fraction form
    783,921.60/1,081,892.16 = 461,733.12/x
  3. Step 3: Cross multiply
    783,921.60x = 1,081,892.16 × 461,733.12
  4. Step 4: Simplify right side
    783,921.60x = 499,545,442,540.34
  5. Step 5: Solve for x
    x = 499,545,442,540.34/783,921.60
  6. Step 6: Final answer
    x = 637,239.03

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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.