Home / 1,278,770.20-1,764,577.26-705,773.38

Finding the Fourth Proportional to 1,278,770.20, 1,764,577.26 and 705,773.38

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Solution

The fourth proportional to 1,278,770.20, 1,764,577.26 and 705,773.38 is: 973,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,770.20 : 1,764,577.26 = 705,773.38 : x
  2. Step 2: Convert to fraction form
    1,278,770.20/1,764,577.26 = 705,773.38/x
  3. Step 3: Cross multiply
    1,278,770.20x = 1,764,577.26 × 705,773.38
  4. Step 4: Simplify right side
    1,278,770.20x = 1,245,391,657,061.34
  5. Step 5: Solve for x
    x = 1,245,391,657,061.34/1,278,770.20
  6. Step 6: Final answer
    x = 973,897.93

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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.