Home / 1,440,111.76-1,987,596.84-836,849.68

Finding the Fourth Proportional to 1,440,111.76, 1,987,596.84 and 836,849.68

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Solution

The fourth proportional to 1,440,111.76, 1,987,596.84 and 836,849.68 is: 1,154,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,111.76 : 1,987,596.84 = 836,849.68 : x
  2. Step 2: Convert to fraction form
    1,440,111.76/1,987,596.84 = 836,849.68/x
  3. Step 3: Cross multiply
    1,440,111.76x = 1,987,596.84 × 836,849.68
  4. Step 4: Simplify right side
    1,440,111.76x = 1,663,319,779,523.01
  5. Step 5: Solve for x
    x = 1,663,319,779,523.01/1,440,111.76
  6. Step 6: Final answer
    x = 1,154,993.54

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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.