Home / 1,203,641.64-1,661,015.16-659,807.64

Finding the Fourth Proportional to 1,203,641.64, 1,661,015.16 and 659,807.64

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Solution

The fourth proportional to 1,203,641.64, 1,661,015.16 and 659,807.64 is: 910,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,641.64 : 1,661,015.16 = 659,807.64 : x
  2. Step 2: Convert to fraction form
    1,203,641.64/1,661,015.16 = 659,807.64/x
  3. Step 3: Cross multiply
    1,203,641.64x = 1,661,015.16 × 659,807.64
  4. Step 4: Simplify right side
    1,203,641.64x = 1,095,950,492,723.82
  5. Step 5: Solve for x
    x = 1,095,950,492,723.82/1,203,641.64
  6. Step 6: Final answer
    x = 910,528.90

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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.