Home / 867,512.44-1,197,167.02-485,539.21

Finding the Fourth Proportional to 867,512.44, 1,197,167.02 and 485,539.21

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Solution

The fourth proportional to 867,512.44, 1,197,167.02 and 485,539.21 is: 670,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,512.44 : 1,197,167.02 = 485,539.21 : x
  2. Step 2: Convert to fraction form
    867,512.44/1,197,167.02 = 485,539.21/x
  3. Step 3: Cross multiply
    867,512.44x = 1,197,167.02 × 485,539.21
  4. Step 4: Simplify right side
    867,512.44x = 581,271,529,128.85
  5. Step 5: Solve for x
    x = 581,271,529,128.85/867,512.44
  6. Step 6: Final answer
    x = 670,044.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.