Home / 1,173,719.16-1,619,692.20-690,173.46

Finding the Fourth Proportional to 1,173,719.16, 1,619,692.20 and 690,173.46

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Solution

The fourth proportional to 1,173,719.16, 1,619,692.20 and 690,173.46 is: 952,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,719.16 : 1,619,692.20 = 690,173.46 : x
  2. Step 2: Convert to fraction form
    1,173,719.16/1,619,692.20 = 690,173.46/x
  3. Step 3: Cross multiply
    1,173,719.16x = 1,619,692.20 × 690,173.46
  4. Step 4: Simplify right side
    1,173,719.16x = 1,117,868,569,809.01
  5. Step 5: Solve for x
    x = 1,117,868,569,809.01/1,173,719.16
  6. Step 6: Final answer
    x = 952,415.71

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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.