Home / 863,199.24-1,288,406.97-810,011.40

Finding the Fourth Proportional to 863,199.24, 1,288,406.97 and 810,011.40

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Solution

The fourth proportional to 863,199.24, 1,288,406.97 and 810,011.40 is: 1,209,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,199.24 : 1,288,406.97 = 810,011.40 : x
  2. Step 2: Convert to fraction form
    863,199.24/1,288,406.97 = 810,011.40/x
  3. Step 3: Cross multiply
    863,199.24x = 1,288,406.97 × 810,011.40
  4. Step 4: Simplify right side
    863,199.24x = 1,043,624,333,539.46
  5. Step 5: Solve for x
    x = 1,043,624,333,539.46/863,199.24
  6. Step 6: Final answer
    x = 1,209,019.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.