Home / 985,740.88-1,360,220.52-727,755.16

Finding the Fourth Proportional to 985,740.88, 1,360,220.52 and 727,755.16

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Solution

The fourth proportional to 985,740.88, 1,360,220.52 and 727,755.16 is: 1,004,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,740.88 : 1,360,220.52 = 727,755.16 : x
  2. Step 2: Convert to fraction form
    985,740.88/1,360,220.52 = 727,755.16/x
  3. Step 3: Cross multiply
    985,740.88x = 1,360,220.52 × 727,755.16
  4. Step 4: Simplify right side
    985,740.88x = 989,907,502,167.88
  5. Step 5: Solve for x
    x = 989,907,502,167.88/985,740.88
  6. Step 6: Final answer
    x = 1,004,226.89

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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.