Home / 2,781,656.96-4,173,084.87-862,529.57

Finding the Fourth Proportional to 2,781,656.96, 4,173,084.87 and 862,529.57

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Solution

The fourth proportional to 2,781,656.96, 4,173,084.87 and 862,529.57 is: 1,293,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,656.96 : 4,173,084.87 = 862,529.57 : x
  2. Step 2: Convert to fraction form
    2,781,656.96/4,173,084.87 = 862,529.57/x
  3. Step 3: Cross multiply
    2,781,656.96x = 4,173,084.87 × 862,529.57
  4. Step 4: Simplify right side
    2,781,656.96x = 3,599,409,094,181.96
  5. Step 5: Solve for x
    x = 3,599,409,094,181.96/2,781,656.96
  6. Step 6: Final answer
    x = 1,293,980.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.