Home / 529,749.17-789,633.37-487,233.89

Finding the Fourth Proportional to 529,749.17, 789,633.37 and 487,233.89

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Solution

The fourth proportional to 529,749.17, 789,633.37 and 487,233.89 is: 726,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,749.17 : 789,633.37 = 487,233.89 : x
  2. Step 2: Convert to fraction form
    529,749.17/789,633.37 = 487,233.89/x
  3. Step 3: Cross multiply
    529,749.17x = 789,633.37 × 487,233.89
  4. Step 4: Simplify right side
    529,749.17x = 384,736,138,538.91
  5. Step 5: Solve for x
    x = 384,736,138,538.91/529,749.17
  6. Step 6: Final answer
    x = 726,260.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.