Home / 822,052.23-1,232,943.85-289,448.07

Finding the Fourth Proportional to 822,052.23, 1,232,943.85 and 289,448.07

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Solution

The fourth proportional to 822,052.23, 1,232,943.85 and 289,448.07 is: 434,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,052.23 : 1,232,943.85 = 289,448.07 : x
  2. Step 2: Convert to fraction form
    822,052.23/1,232,943.85 = 289,448.07/x
  3. Step 3: Cross multiply
    822,052.23x = 1,232,943.85 × 289,448.07
  4. Step 4: Simplify right side
    822,052.23x = 356,873,217,800.87
  5. Step 5: Solve for x
    x = 356,873,217,800.87/822,052.23
  6. Step 6: Final answer
    x = 434,124.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.