Home / 1,692,865.28-2,540,291.04-628,646.24

Finding the Fourth Proportional to 1,692,865.28, 2,540,291.04 and 628,646.24

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Solution

The fourth proportional to 1,692,865.28, 2,540,291.04 and 628,646.24 is: 943,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,865.28 : 2,540,291.04 = 628,646.24 : x
  2. Step 2: Convert to fraction form
    1,692,865.28/2,540,291.04 = 628,646.24/x
  3. Step 3: Cross multiply
    1,692,865.28x = 2,540,291.04 × 628,646.24
  4. Step 4: Simplify right side
    1,692,865.28x = 1,596,944,410,801.69
  5. Step 5: Solve for x
    x = 1,596,944,410,801.69/1,692,865.28
  6. Step 6: Final answer
    x = 943,338.16

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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.