Home / 866,972.08-1,196,423.22-485,005.24

Finding the Fourth Proportional to 866,972.08, 1,196,423.22 and 485,005.24

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Solution

The fourth proportional to 866,972.08, 1,196,423.22 and 485,005.24 is: 669,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,972.08 : 1,196,423.22 = 485,005.24 : x
  2. Step 2: Convert to fraction form
    866,972.08/1,196,423.22 = 485,005.24/x
  3. Step 3: Cross multiply
    866,972.08x = 1,196,423.22 × 485,005.24
  4. Step 4: Simplify right side
    866,972.08x = 580,271,530,957.67
  5. Step 5: Solve for x
    x = 580,271,530,957.67/866,972.08
  6. Step 6: Final answer
    x = 669,308.21

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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.