Home / 813,181.60-1,220,938.80-614,893.60

Finding the Fourth Proportional to 813,181.60, 1,220,938.80 and 614,893.60

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Solution

The fourth proportional to 813,181.60, 1,220,938.80 and 614,893.60 is: 923,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,181.60 : 1,220,938.80 = 614,893.60 : x
  2. Step 2: Convert to fraction form
    813,181.60/1,220,938.80 = 614,893.60/x
  3. Step 3: Cross multiply
    813,181.60x = 1,220,938.80 × 614,893.60
  4. Step 4: Simplify right side
    813,181.60x = 750,747,454,111.68
  5. Step 5: Solve for x
    x = 750,747,454,111.68/813,181.60
  6. Step 6: Final answer
    x = 923,222.38

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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.