Home / 1,464,940-2,197,423.68-518,471.20

Finding the Fourth Proportional to 1,464,940, 2,197,423.68 and 518,471.20

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Solution

The fourth proportional to 1,464,940, 2,197,423.68 and 518,471.20 is: 777,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,940 : 2,197,423.68 = 518,471.20 : x
  2. Step 2: Convert to fraction form
    1,464,940/2,197,423.68 = 518,471.20/x
  3. Step 3: Cross multiply
    1,464,940x = 2,197,423.68 × 518,471.20
  4. Step 4: Simplify right side
    1,464,940x = 1,139,300,892,278.02
  5. Step 5: Solve for x
    x = 1,139,300,892,278.02/1,464,940
  6. Step 6: Final answer
    x = 777,711.64

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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.