Home / 1,254,783.75-1,731,611.95-681,823.92

Finding the Fourth Proportional to 1,254,783.75, 1,731,611.95 and 681,823.92

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Solution

The fourth proportional to 1,254,783.75, 1,731,611.95 and 681,823.92 is: 940,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,783.75 : 1,731,611.95 = 681,823.92 : x
  2. Step 2: Convert to fraction form
    1,254,783.75/1,731,611.95 = 681,823.92/x
  3. Step 3: Cross multiply
    1,254,783.75x = 1,731,611.95 × 681,823.92
  4. Step 4: Simplify right side
    1,254,783.75x = 1,180,654,447,667.84
  5. Step 5: Solve for x
    x = 1,180,654,447,667.84/1,254,783.75
  6. Step 6: Final answer
    x = 940,922.65

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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.