Home / 1,465,144.40-2,198,105.40-518,416.40

Finding the Fourth Proportional to 1,465,144.40, 2,198,105.40 and 518,416.40

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Solution

The fourth proportional to 1,465,144.40, 2,198,105.40 and 518,416.40 is: 777,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,144.40 : 2,198,105.40 = 518,416.40 : x
  2. Step 2: Convert to fraction form
    1,465,144.40/2,198,105.40 = 518,416.40/x
  3. Step 3: Cross multiply
    1,465,144.40x = 2,198,105.40 × 518,416.40
  4. Step 4: Simplify right side
    1,465,144.40x = 1,139,533,888,288.56
  5. Step 5: Solve for x
    x = 1,139,533,888,288.56/1,465,144.40
  6. Step 6: Final answer
    x = 777,762.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.