Home / 1,621,406.64-2,237,763.36-933,064.32

Finding the Fourth Proportional to 1,621,406.64, 2,237,763.36 and 933,064.32

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Solution

The fourth proportional to 1,621,406.64, 2,237,763.36 and 933,064.32 is: 1,287,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,406.64 : 2,237,763.36 = 933,064.32 : x
  2. Step 2: Convert to fraction form
    1,621,406.64/2,237,763.36 = 933,064.32/x
  3. Step 3: Cross multiply
    1,621,406.64x = 2,237,763.36 × 933,064.32
  4. Step 4: Simplify right side
    1,621,406.64x = 2,087,977,147,819.32
  5. Step 5: Solve for x
    x = 2,087,977,147,819.32/1,621,406.64
  6. Step 6: Final answer
    x = 1,287,756.63

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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.