Home / 972,884.50-1,342,492.26-543,085.54

Finding the Fourth Proportional to 972,884.50, 1,342,492.26 and 543,085.54

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Solution

The fourth proportional to 972,884.50, 1,342,492.26 and 543,085.54 is: 749,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,884.50 : 1,342,492.26 = 543,085.54 : x
  2. Step 2: Convert to fraction form
    972,884.50/1,342,492.26 = 543,085.54/x
  3. Step 3: Cross multiply
    972,884.50x = 1,342,492.26 × 543,085.54
  4. Step 4: Simplify right side
    972,884.50x = 729,088,133,485.68
  5. Step 5: Solve for x
    x = 729,088,133,485.68/972,884.50
  6. Step 6: Final answer
    x = 749,408.73

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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.