Home / 905,835.55-1,250,068.58-497,954.58

Finding the Fourth Proportional to 905,835.55, 1,250,068.58 and 497,954.58

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Solution

The fourth proportional to 905,835.55, 1,250,068.58 and 497,954.58 is: 687,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,835.55 : 1,250,068.58 = 497,954.58 : x
  2. Step 2: Convert to fraction form
    905,835.55/1,250,068.58 = 497,954.58/x
  3. Step 3: Cross multiply
    905,835.55x = 1,250,068.58 × 497,954.58
  4. Step 4: Simplify right side
    905,835.55x = 622,477,371,599.93
  5. Step 5: Solve for x
    x = 622,477,371,599.93/905,835.55
  6. Step 6: Final answer
    x = 687,185.85

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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.