Home / 985,194.78-1,359,568.08-532,485.78

Finding the Fourth Proportional to 985,194.78, 1,359,568.08 and 532,485.78

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Solution

The fourth proportional to 985,194.78, 1,359,568.08 and 532,485.78 is: 734,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,194.78 : 1,359,568.08 = 532,485.78 : x
  2. Step 2: Convert to fraction form
    985,194.78/1,359,568.08 = 532,485.78/x
  3. Step 3: Cross multiply
    985,194.78x = 1,359,568.08 × 532,485.78
  4. Step 4: Simplify right side
    985,194.78x = 723,950,669,541.90
  5. Step 5: Solve for x
    x = 723,950,669,541.90/985,194.78
  6. Step 6: Final answer
    x = 734,829.99

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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.