Home / 1,076,784.80-1,613,233.20-627,137.60

Finding the Fourth Proportional to 1,076,784.80, 1,613,233.20 and 627,137.60

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Solution

The fourth proportional to 1,076,784.80, 1,613,233.20 and 627,137.60 is: 939,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,784.80 : 1,613,233.20 = 627,137.60 : x
  2. Step 2: Convert to fraction form
    1,076,784.80/1,613,233.20 = 627,137.60/x
  3. Step 3: Cross multiply
    1,076,784.80x = 1,613,233.20 × 627,137.60
  4. Step 4: Simplify right side
    1,076,784.80x = 1,011,719,197,288.32
  5. Step 5: Solve for x
    x = 1,011,719,197,288.32/1,076,784.80
  6. Step 6: Final answer
    x = 939,574.18

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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.