Home / 923,128.20-1,384,692.30-566,987.40

Finding the Fourth Proportional to 923,128.20, 1,384,692.30 and 566,987.40

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Solution

The fourth proportional to 923,128.20, 1,384,692.30 and 566,987.40 is: 850,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,128.20 : 1,384,692.30 = 566,987.40 : x
  2. Step 2: Convert to fraction form
    923,128.20/1,384,692.30 = 566,987.40/x
  3. Step 3: Cross multiply
    923,128.20x = 1,384,692.30 × 566,987.40
  4. Step 4: Simplify right side
    923,128.20x = 785,103,086,977.02
  5. Step 5: Solve for x
    x = 785,103,086,977.02/923,128.20
  6. Step 6: Final answer
    x = 850,481.10

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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.