Home / 1,030,784-1,422,637.44-628,609.28

Finding the Fourth Proportional to 1,030,784, 1,422,637.44 and 628,609.28

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Solution

The fourth proportional to 1,030,784, 1,422,637.44 and 628,609.28 is: 867,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,784 : 1,422,637.44 = 628,609.28 : x
  2. Step 2: Convert to fraction form
    1,030,784/1,422,637.44 = 628,609.28/x
  3. Step 3: Cross multiply
    1,030,784x = 1,422,637.44 × 628,609.28
  4. Step 4: Simplify right side
    1,030,784x = 894,283,096,859.44
  5. Step 5: Solve for x
    x = 894,283,096,859.44/1,030,784
  6. Step 6: Final answer
    x = 867,575.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.