Home / 824,551.68-1,140,171.84-654,490.56

Finding the Fourth Proportional to 824,551.68, 1,140,171.84 and 654,490.56

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Solution

The fourth proportional to 824,551.68, 1,140,171.84 and 654,490.56 is: 905,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,551.68 : 1,140,171.84 = 654,490.56 : x
  2. Step 2: Convert to fraction form
    824,551.68/1,140,171.84 = 654,490.56/x
  3. Step 3: Cross multiply
    824,551.68x = 1,140,171.84 × 654,490.56
  4. Step 4: Simplify right side
    824,551.68x = 746,231,706,057.83
  5. Step 5: Solve for x
    x = 746,231,706,057.83/824,551.68
  6. Step 6: Final answer
    x = 905,015.08

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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.