Home / 1,211,928.26-1,672,385.86-668,035.94

Finding the Fourth Proportional to 1,211,928.26, 1,672,385.86 and 668,035.94

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Solution

The fourth proportional to 1,211,928.26, 1,672,385.86 and 668,035.94 is: 921,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,928.26 : 1,672,385.86 = 668,035.94 : x
  2. Step 2: Convert to fraction form
    1,211,928.26/1,672,385.86 = 668,035.94/x
  3. Step 3: Cross multiply
    1,211,928.26x = 1,672,385.86 × 668,035.94
  4. Step 4: Simplify right side
    1,211,928.26x = 1,117,213,860,027.81
  5. Step 5: Solve for x
    x = 1,117,213,860,027.81/1,211,928.26
  6. Step 6: Final answer
    x = 921,848.18

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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.