Home / 886,393.82-1,330,005.94-436,869.64

Finding the Fourth Proportional to 886,393.82, 1,330,005.94 and 436,869.64

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Solution

The fourth proportional to 886,393.82, 1,330,005.94 and 436,869.64 is: 655,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,393.82 : 1,330,005.94 = 436,869.64 : x
  2. Step 2: Convert to fraction form
    886,393.82/1,330,005.94 = 436,869.64/x
  3. Step 3: Cross multiply
    886,393.82x = 1,330,005.94 × 436,869.64
  4. Step 4: Simplify right side
    886,393.82x = 581,039,216,205.66
  5. Step 5: Solve for x
    x = 581,039,216,205.66/886,393.82
  6. Step 6: Final answer
    x = 655,509.10

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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.