Home / 1,181,106.28-1,629,926.23-644,562.28

Finding the Fourth Proportional to 1,181,106.28, 1,629,926.23 and 644,562.28

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Solution

The fourth proportional to 1,181,106.28, 1,629,926.23 and 644,562.28 is: 889,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,106.28 : 1,629,926.23 = 644,562.28 : x
  2. Step 2: Convert to fraction form
    1,181,106.28/1,629,926.23 = 644,562.28/x
  3. Step 3: Cross multiply
    1,181,106.28x = 1,629,926.23 × 644,562.28
  4. Step 4: Simplify right side
    1,181,106.28x = 1,050,588,955,668.16
  5. Step 5: Solve for x
    x = 1,050,588,955,668.16/1,181,106.28
  6. Step 6: Final answer
    x = 889,495.70

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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.