Home / 1,521,126.36-2,099,179.26-832,786.74

Finding the Fourth Proportional to 1,521,126.36, 2,099,179.26 and 832,786.74

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Solution

The fourth proportional to 1,521,126.36, 2,099,179.26 and 832,786.74 is: 1,149,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,126.36 : 2,099,179.26 = 832,786.74 : x
  2. Step 2: Convert to fraction form
    1,521,126.36/2,099,179.26 = 832,786.74/x
  3. Step 3: Cross multiply
    1,521,126.36x = 2,099,179.26 × 832,786.74
  4. Step 4: Simplify right side
    1,521,126.36x = 1,748,168,652,611.01
  5. Step 5: Solve for x
    x = 1,748,168,652,611.01/1,521,126.36
  6. Step 6: Final answer
    x = 1,149,259.32

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1.5x scale

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.