Home / 1,521,138.36-2,099,195.88-832,798.80

Finding the Fourth Proportional to 1,521,138.36, 2,099,195.88 and 832,798.80

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Solution

The fourth proportional to 1,521,138.36, 2,099,195.88 and 832,798.80 is: 1,149,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,138.36 : 2,099,195.88 = 832,798.80 : x
  2. Step 2: Convert to fraction form
    1,521,138.36/2,099,195.88 = 832,798.80/x
  3. Step 3: Cross multiply
    1,521,138.36x = 2,099,195.88 × 832,798.80
  4. Step 4: Simplify right side
    1,521,138.36x = 1,748,207,809,828.94
  5. Step 5: Solve for x
    x = 1,748,207,809,828.94/1,521,138.36
  6. Step 6: Final answer
    x = 1,149,276.00

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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.