Home / 818,822.40-1,228,233.60-580,876.80

Finding the Fourth Proportional to 818,822.40, 1,228,233.60 and 580,876.80

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Solution

The fourth proportional to 818,822.40, 1,228,233.60 and 580,876.80 is: 871,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,822.40 : 1,228,233.60 = 580,876.80 : x
  2. Step 2: Convert to fraction form
    818,822.40/1,228,233.60 = 580,876.80/x
  3. Step 3: Cross multiply
    818,822.40x = 1,228,233.60 × 580,876.80
  4. Step 4: Simplify right side
    818,822.40x = 713,452,403,220.48
  5. Step 5: Solve for x
    x = 713,452,403,220.48/818,822.40
  6. Step 6: Final answer
    x = 871,315.20

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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.