Home / 705,786.32-973,875.48-419,299.04

Finding the Fourth Proportional to 705,786.32, 973,875.48 and 419,299.04

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Solution

The fourth proportional to 705,786.32, 973,875.48 and 419,299.04 is: 578,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,786.32 : 973,875.48 = 419,299.04 : x
  2. Step 2: Convert to fraction form
    705,786.32/973,875.48 = 419,299.04/x
  3. Step 3: Cross multiply
    705,786.32x = 973,875.48 × 419,299.04
  4. Step 4: Simplify right side
    705,786.32x = 408,345,053,843.54
  5. Step 5: Solve for x
    x = 408,345,053,843.54/705,786.32
  6. Step 6: Final answer
    x = 578,567.54

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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.