Home / 649,945.80-896,908.48-359,568.29

Finding the Fourth Proportional to 649,945.80, 896,908.48 and 359,568.29

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Solution

The fourth proportional to 649,945.80, 896,908.48 and 359,568.29 is: 496,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,945.80 : 896,908.48 = 359,568.29 : x
  2. Step 2: Convert to fraction form
    649,945.80/896,908.48 = 359,568.29/x
  3. Step 3: Cross multiply
    649,945.80x = 896,908.48 × 359,568.29
  4. Step 4: Simplify right side
    649,945.80x = 322,499,848,777.82
  5. Step 5: Solve for x
    x = 322,499,848,777.82/649,945.80
  6. Step 6: Final answer
    x = 496,194.99

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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.