Home / 886,786.59-1,330,312.73-287,548.59

Finding the Fourth Proportional to 886,786.59, 1,330,312.73 and 287,548.59

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Solution

The fourth proportional to 886,786.59, 1,330,312.73 and 287,548.59 is: 431,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,786.59 : 1,330,312.73 = 287,548.59 : x
  2. Step 2: Convert to fraction form
    886,786.59/1,330,312.73 = 287,548.59/x
  3. Step 3: Cross multiply
    886,786.59x = 1,330,312.73 × 287,548.59
  4. Step 4: Simplify right side
    886,786.59x = 382,529,548,332.81
  5. Step 5: Solve for x
    x = 382,529,548,332.81/886,786.59
  6. Step 6: Final answer
    x = 431,365.96

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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.