Home / 853,116.78-1,280,004.30-610,232.34

Finding the Fourth Proportional to 853,116.78, 1,280,004.30 and 610,232.34

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Solution

The fourth proportional to 853,116.78, 1,280,004.30 and 610,232.34 is: 915,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,116.78 : 1,280,004.30 = 610,232.34 : x
  2. Step 2: Convert to fraction form
    853,116.78/1,280,004.30 = 610,232.34/x
  3. Step 3: Cross multiply
    853,116.78x = 1,280,004.30 × 610,232.34
  4. Step 4: Simplify right side
    853,116.78x = 781,100,019,199.06
  5. Step 5: Solve for x
    x = 781,100,019,199.06/853,116.78
  6. Step 6: Final answer
    x = 915,583.94

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1.5x scale

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.