Home / 871,212.60-1,305,069.30-587,777.40

Finding the Fourth Proportional to 871,212.60, 1,305,069.30 and 587,777.40

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Solution

The fourth proportional to 871,212.60, 1,305,069.30 and 587,777.40 is: 880,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,212.60 : 1,305,069.30 = 587,777.40 : x
  2. Step 2: Convert to fraction form
    871,212.60/1,305,069.30 = 587,777.40/x
  3. Step 3: Cross multiply
    871,212.60x = 1,305,069.30 × 587,777.40
  4. Step 4: Simplify right side
    871,212.60x = 767,090,239,973.82
  5. Step 5: Solve for x
    x = 767,090,239,973.82/871,212.60
  6. Step 6: Final answer
    x = 880,485.70

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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.