Home / 1,461,465.80-2,192,198.70-515,904.20

Finding the Fourth Proportional to 1,461,465.80, 2,192,198.70 and 515,904.20

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Solution

The fourth proportional to 1,461,465.80, 2,192,198.70 and 515,904.20 is: 773,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,465.80 : 2,192,198.70 = 515,904.20 : x
  2. Step 2: Convert to fraction form
    1,461,465.80/2,192,198.70 = 515,904.20/x
  3. Step 3: Cross multiply
    1,461,465.80x = 2,192,198.70 × 515,904.20
  4. Step 4: Simplify right side
    1,461,465.80x = 1,130,964,516,564.54
  5. Step 5: Solve for x
    x = 1,130,964,516,564.54/1,461,465.80
  6. Step 6: Final answer
    x = 773,856.30

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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.