Home / 1,076,308-1,614,660.38-445,271.02

Finding the Fourth Proportional to 1,076,308, 1,614,660.38 and 445,271.02

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Solution

The fourth proportional to 1,076,308, 1,614,660.38 and 445,271.02 is: 667,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,308 : 1,614,660.38 = 445,271.02 : x
  2. Step 2: Convert to fraction form
    1,076,308/1,614,660.38 = 445,271.02/x
  3. Step 3: Cross multiply
    1,076,308x = 1,614,660.38 × 445,271.02
  4. Step 4: Simplify right side
    1,076,308x = 718,961,474,356.19
  5. Step 5: Solve for x
    x = 718,961,474,356.19/1,076,308
  6. Step 6: Final answer
    x = 667,988.60

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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.