Home / 1,418,337-1,957,305.06-909,039.38

Finding the Fourth Proportional to 1,418,337, 1,957,305.06 and 909,039.38

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Solution

The fourth proportional to 1,418,337, 1,957,305.06 and 909,039.38 is: 1,254,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,337 : 1,957,305.06 = 909,039.38 : x
  2. Step 2: Convert to fraction form
    1,418,337/1,957,305.06 = 909,039.38/x
  3. Step 3: Cross multiply
    1,418,337x = 1,957,305.06 × 909,039.38
  4. Step 4: Simplify right side
    1,418,337x = 1,779,267,368,426.74
  5. Step 5: Solve for x
    x = 1,779,267,368,426.74/1,418,337
  6. Step 6: Final answer
    x = 1,254,474.34

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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.