Home / 1,992,804.64-2,989,681.26-644,967.26

Finding the Fourth Proportional to 1,992,804.64, 2,989,681.26 and 644,967.26

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Solution

The fourth proportional to 1,992,804.64, 2,989,681.26 and 644,967.26 is: 967,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,804.64 : 2,989,681.26 = 644,967.26 : x
  2. Step 2: Convert to fraction form
    1,992,804.64/2,989,681.26 = 644,967.26/x
  3. Step 3: Cross multiply
    1,992,804.64x = 2,989,681.26 × 644,967.26
  4. Step 4: Simplify right side
    1,992,804.64x = 1,928,246,530,535.55
  5. Step 5: Solve for x
    x = 1,928,246,530,535.55/1,992,804.64
  6. Step 6: Final answer
    x = 967,604.40

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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.