Home / 1,185,137.64-1,635,477.66-641,261.43

Finding the Fourth Proportional to 1,185,137.64, 1,635,477.66 and 641,261.43

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Solution

The fourth proportional to 1,185,137.64, 1,635,477.66 and 641,261.43 is: 884,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,137.64 : 1,635,477.66 = 641,261.43 : x
  2. Step 2: Convert to fraction form
    1,185,137.64/1,635,477.66 = 641,261.43/x
  3. Step 3: Cross multiply
    1,185,137.64x = 1,635,477.66 × 641,261.43
  4. Step 4: Simplify right side
    1,185,137.64x = 1,048,768,742,984.65
  5. Step 5: Solve for x
    x = 1,048,768,742,984.65/1,185,137.64
  6. Step 6: Final answer
    x = 884,934.13

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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.