Home / 1,394,211.42-1,922,927.06-1,008,473.82

Finding the Fourth Proportional to 1,394,211.42, 1,922,927.06 and 1,008,473.82

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Solution

The fourth proportional to 1,394,211.42, 1,922,927.06 and 1,008,473.82 is: 1,390,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,211.42 : 1,922,927.06 = 1,008,473.82 : x
  2. Step 2: Convert to fraction form
    1,394,211.42/1,922,927.06 = 1,008,473.82/x
  3. Step 3: Cross multiply
    1,394,211.42x = 1,922,927.06 × 1,008,473.82
  4. Step 4: Simplify right side
    1,394,211.42x = 1,939,221,592,737.20
  5. Step 5: Solve for x
    x = 1,939,221,592,737.20/1,394,211.42
  6. Step 6: Final answer
    x = 1,390,909.27

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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.