Home / 886,392.81-1,330,004.44-436,868.63

Finding the Fourth Proportional to 886,392.81, 1,330,004.44 and 436,868.63

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Solution

The fourth proportional to 886,392.81, 1,330,004.44 and 436,868.63 is: 655,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,392.81 : 1,330,004.44 = 436,868.63 : x
  2. Step 2: Convert to fraction form
    886,392.81/1,330,004.44 = 436,868.63/x
  3. Step 3: Cross multiply
    886,392.81x = 1,330,004.44 × 436,868.63
  4. Step 4: Simplify right side
    886,392.81x = 581,037,217,596.72
  5. Step 5: Solve for x
    x = 581,037,217,596.72/886,392.81
  6. Step 6: Final answer
    x = 655,507.59

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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.