Home / 866,971.08-1,196,421.84-485,004.24

Finding the Fourth Proportional to 866,971.08, 1,196,421.84 and 485,004.24

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Solution

The fourth proportional to 866,971.08, 1,196,421.84 and 485,004.24 is: 669,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,971.08 : 1,196,421.84 = 485,004.24 : x
  2. Step 2: Convert to fraction form
    866,971.08/1,196,421.84 = 485,004.24/x
  3. Step 3: Cross multiply
    866,971.08x = 1,196,421.84 × 485,004.24
  4. Step 4: Simplify right side
    866,971.08x = 580,269,665,228.60
  5. Step 5: Solve for x
    x = 580,269,665,228.60/866,971.08
  6. Step 6: Final answer
    x = 669,306.83

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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.