Home / 1,336,641.72-2,000,509.62-1,069,147.32

Finding the Fourth Proportional to 1,336,641.72, 2,000,509.62 and 1,069,147.32

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Solution

The fourth proportional to 1,336,641.72, 2,000,509.62 and 1,069,147.32 is: 1,600,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,641.72 : 2,000,509.62 = 1,069,147.32 : x
  2. Step 2: Convert to fraction form
    1,336,641.72/2,000,509.62 = 1,069,147.32/x
  3. Step 3: Cross multiply
    1,336,641.72x = 2,000,509.62 × 1,069,147.32
  4. Step 4: Simplify right side
    1,336,641.72x = 2,138,839,498,857.22
  5. Step 5: Solve for x
    x = 2,138,839,498,857.22/1,336,641.72
  6. Step 6: Final answer
    x = 1,600,159.17

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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.