Home / 889,314.92-1,333,772.72-409,081.50

Finding the Fourth Proportional to 889,314.92, 1,333,772.72 and 409,081.50

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Solution

The fourth proportional to 889,314.92, 1,333,772.72 and 409,081.50 is: 613,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,314.92 : 1,333,772.72 = 409,081.50 : x
  2. Step 2: Convert to fraction form
    889,314.92/1,333,772.72 = 409,081.50/x
  3. Step 3: Cross multiply
    889,314.92x = 1,333,772.72 × 409,081.50
  4. Step 4: Simplify right side
    889,314.92x = 545,621,744,956.68
  5. Step 5: Solve for x
    x = 545,621,744,956.68/889,314.92
  6. Step 6: Final answer
    x = 613,530.41

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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.