Home / 1,211,567.04-1,671,973.94-667,722.44

Finding the Fourth Proportional to 1,211,567.04, 1,671,973.94 and 667,722.44

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Solution

The fourth proportional to 1,211,567.04, 1,671,973.94 and 667,722.44 is: 921,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,567.04 : 1,671,973.94 = 667,722.44 : x
  2. Step 2: Convert to fraction form
    1,211,567.04/1,671,973.94 = 667,722.44/x
  3. Step 3: Cross multiply
    1,211,567.04x = 1,671,973.94 × 667,722.44
  4. Step 4: Simplify right side
    1,211,567.04x = 1,116,414,518,833.21
  5. Step 5: Solve for x
    x = 1,116,414,518,833.21/1,211,567.04
  6. Step 6: Final answer
    x = 921,463.26

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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.