Home / 1,243,310.37-1,715,770.95-734,045.55

Finding the Fourth Proportional to 1,243,310.37, 1,715,770.95 and 734,045.55

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Solution

The fourth proportional to 1,243,310.37, 1,715,770.95 and 734,045.55 is: 1,012,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,310.37 : 1,715,770.95 = 734,045.55 : x
  2. Step 2: Convert to fraction form
    1,243,310.37/1,715,770.95 = 734,045.55/x
  3. Step 3: Cross multiply
    1,243,310.37x = 1,715,770.95 × 734,045.55
  4. Step 4: Simplify right side
    1,243,310.37x = 1,259,454,030,666.77
  5. Step 5: Solve for x
    x = 1,259,454,030,666.77/1,243,310.37
  6. Step 6: Final answer
    x = 1,012,984.42

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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.