Home / 1,207,474.37-1,666,279.40-691,211.15

Finding the Fourth Proportional to 1,207,474.37, 1,666,279.40 and 691,211.15

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Solution

The fourth proportional to 1,207,474.37, 1,666,279.40 and 691,211.15 is: 953,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,474.37 : 1,666,279.40 = 691,211.15 : x
  2. Step 2: Convert to fraction form
    1,207,474.37/1,666,279.40 = 691,211.15/x
  3. Step 3: Cross multiply
    1,207,474.37x = 1,666,279.40 × 691,211.15
  4. Step 4: Simplify right side
    1,207,474.37x = 1,151,750,893,958.02
  5. Step 5: Solve for x
    x = 1,151,750,893,958.02/1,207,474.37
  6. Step 6: Final answer
    x = 953,851.22

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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.