Home / 539,961.08-745,153.44-298,243.04

Finding the Fourth Proportional to 539,961.08, 745,153.44 and 298,243.04

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Solution

The fourth proportional to 539,961.08, 745,153.44 and 298,243.04 is: 411,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,961.08 : 745,153.44 = 298,243.04 : x
  2. Step 2: Convert to fraction form
    539,961.08/745,153.44 = 298,243.04/x
  3. Step 3: Cross multiply
    539,961.08x = 745,153.44 × 298,243.04
  4. Step 4: Simplify right side
    539,961.08x = 222,236,827,212.06
  5. Step 5: Solve for x
    x = 222,236,827,212.06/539,961.08
  6. Step 6: Final answer
    x = 411,579.34

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Double scale
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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.