Home / 713,057.10-1,068,865.90-447,004.50

Finding the Fourth Proportional to 713,057.10, 1,068,865.90 and 447,004.50

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Solution

The fourth proportional to 713,057.10, 1,068,865.90 and 447,004.50 is: 670,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,057.10 : 1,068,865.90 = 447,004.50 : x
  2. Step 2: Convert to fraction form
    713,057.10/1,068,865.90 = 447,004.50/x
  3. Step 3: Cross multiply
    713,057.10x = 1,068,865.90 × 447,004.50
  4. Step 4: Simplify right side
    713,057.10x = 477,787,867,196.55
  5. Step 5: Solve for x
    x = 477,787,867,196.55/713,057.10
  6. Step 6: Final answer
    x = 670,055.55

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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.