Home / 1,512,739.38-2,087,569.81-833,676.50

Finding the Fourth Proportional to 1,512,739.38, 2,087,569.81 and 833,676.50

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Solution

The fourth proportional to 1,512,739.38, 2,087,569.81 and 833,676.50 is: 1,150,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,739.38 : 2,087,569.81 = 833,676.50 : x
  2. Step 2: Convert to fraction form
    1,512,739.38/2,087,569.81 = 833,676.50/x
  3. Step 3: Cross multiply
    1,512,739.38x = 2,087,569.81 × 833,676.50
  4. Step 4: Simplify right side
    1,512,739.38x = 1,740,357,892,706.47
  5. Step 5: Solve for x
    x = 1,740,357,892,706.47/1,512,739.38
  6. Step 6: Final answer
    x = 1,150,467.76

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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.