Home / 677,588.93-1,015,028.13-407,567.94

Finding the Fourth Proportional to 677,588.93, 1,015,028.13 and 407,567.94

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Solution

The fourth proportional to 677,588.93, 1,015,028.13 and 407,567.94 is: 610,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,588.93 : 1,015,028.13 = 407,567.94 : x
  2. Step 2: Convert to fraction form
    677,588.93/1,015,028.13 = 407,567.94/x
  3. Step 3: Cross multiply
    677,588.93x = 1,015,028.13 × 407,567.94
  4. Step 4: Simplify right side
    677,588.93x = 413,692,923,986.15
  5. Step 5: Solve for x
    x = 413,692,923,986.15/677,588.93
  6. Step 6: Final answer
    x = 610,536.73

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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.