Home / 1,674,980.32-2,511,518.68-1,143,145.64

Finding the Fourth Proportional to 1,674,980.32, 2,511,518.68 and 1,143,145.64

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Solution

The fourth proportional to 1,674,980.32, 2,511,518.68 and 1,143,145.64 is: 1,714,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,980.32 : 2,511,518.68 = 1,143,145.64 : x
  2. Step 2: Convert to fraction form
    1,674,980.32/2,511,518.68 = 1,143,145.64/x
  3. Step 3: Cross multiply
    1,674,980.32x = 2,511,518.68 × 1,143,145.64
  4. Step 4: Simplify right side
    1,674,980.32x = 2,871,031,628,820.56
  5. Step 5: Solve for x
    x = 2,871,031,628,820.56/1,674,980.32
  6. Step 6: Final answer
    x = 1,714,068.87

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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.