Home / 866,808.90-1,196,199.36-484,811.28

Finding the Fourth Proportional to 866,808.90, 1,196,199.36 and 484,811.28

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Solution

The fourth proportional to 866,808.90, 1,196,199.36 and 484,811.28 is: 669,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,808.90 : 1,196,199.36 = 484,811.28 : x
  2. Step 2: Convert to fraction form
    866,808.90/1,196,199.36 = 484,811.28/x
  3. Step 3: Cross multiply
    866,808.90x = 1,196,199.36 × 484,811.28
  4. Step 4: Simplify right side
    866,808.90x = 579,930,942,856.78
  5. Step 5: Solve for x
    x = 579,930,942,856.78/866,808.90
  6. Step 6: Final answer
    x = 669,041.29

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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.