Home / 683,406.80-1,025,110.20-609,923.60

Finding the Fourth Proportional to 683,406.80, 1,025,110.20 and 609,923.60

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Solution

The fourth proportional to 683,406.80, 1,025,110.20 and 609,923.60 is: 914,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,406.80 : 1,025,110.20 = 609,923.60 : x
  2. Step 2: Convert to fraction form
    683,406.80/1,025,110.20 = 609,923.60/x
  3. Step 3: Cross multiply
    683,406.80x = 1,025,110.20 × 609,923.60
  4. Step 4: Simplify right side
    683,406.80x = 625,238,903,580.72
  5. Step 5: Solve for x
    x = 625,238,903,580.72/683,406.80
  6. Step 6: Final answer
    x = 914,885.40

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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.