Home / 1,969,624.10-2,954,694.54-771,390.72

Finding the Fourth Proportional to 1,969,624.10, 2,954,694.54 and 771,390.72

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Solution

The fourth proportional to 1,969,624.10, 2,954,694.54 and 771,390.72 is: 1,157,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,624.10 : 2,954,694.54 = 771,390.72 : x
  2. Step 2: Convert to fraction form
    1,969,624.10/2,954,694.54 = 771,390.72/x
  3. Step 3: Cross multiply
    1,969,624.10x = 2,954,694.54 × 771,390.72
  4. Step 4: Simplify right side
    1,969,624.10x = 2,279,223,948,590.67
  5. Step 5: Solve for x
    x = 2,279,223,948,590.67/1,969,624.10
  6. Step 6: Final answer
    x = 1,157,187.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.