Home / 878,850.03-1,212,822.60-516,289.17

Finding the Fourth Proportional to 878,850.03, 1,212,822.60 and 516,289.17

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Solution

The fourth proportional to 878,850.03, 1,212,822.60 and 516,289.17 is: 712,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,850.03 : 1,212,822.60 = 516,289.17 : x
  2. Step 2: Convert to fraction form
    878,850.03/1,212,822.60 = 516,289.17/x
  3. Step 3: Cross multiply
    878,850.03x = 1,212,822.60 × 516,289.17
  4. Step 4: Simplify right side
    878,850.03x = 626,167,173,511.24
  5. Step 5: Solve for x
    x = 626,167,173,511.24/878,850.03
  6. Step 6: Final answer
    x = 712,484.67

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1.5x scale

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.