Home / 712,072.62-1,068,847.04-477,057.60

Finding the Fourth Proportional to 712,072.62, 1,068,847.04 and 477,057.60

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Solution

The fourth proportional to 712,072.62, 1,068,847.04 and 477,057.60 is: 716,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,072.62 : 1,068,847.04 = 477,057.60 : x
  2. Step 2: Convert to fraction form
    712,072.62/1,068,847.04 = 477,057.60/x
  3. Step 3: Cross multiply
    712,072.62x = 1,068,847.04 × 477,057.60
  4. Step 4: Simplify right side
    712,072.62x = 509,901,604,862.15
  5. Step 5: Solve for x
    x = 509,901,604,862.15/712,072.62
  6. Step 6: Final answer
    x = 716,080.90

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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.