Home / 1,917,815.43-2,875,975.25-719,084.55

Finding the Fourth Proportional to 1,917,815.43, 2,875,975.25 and 719,084.55

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Solution

The fourth proportional to 1,917,815.43, 2,875,975.25 and 719,084.55 is: 1,078,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,815.43 : 2,875,975.25 = 719,084.55 : x
  2. Step 2: Convert to fraction form
    1,917,815.43/2,875,975.25 = 719,084.55/x
  3. Step 3: Cross multiply
    1,917,815.43x = 2,875,975.25 × 719,084.55
  4. Step 4: Simplify right side
    1,917,815.43x = 2,068,069,364,861.97
  5. Step 5: Solve for x
    x = 2,068,069,364,861.97/1,917,815.43
  6. Step 6: Final answer
    x = 1,078,346.40

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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.