Home / 1,520,193.03-2,097,866.29-831,864.97

Finding the Fourth Proportional to 1,520,193.03, 2,097,866.29 and 831,864.97

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Solution

The fourth proportional to 1,520,193.03, 2,097,866.29 and 831,864.97 is: 1,147,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,193.03 : 2,097,866.29 = 831,864.97 : x
  2. Step 2: Convert to fraction form
    1,520,193.03/2,097,866.29 = 831,864.97/x
  3. Step 3: Cross multiply
    1,520,193.03x = 2,097,866.29 × 831,864.97
  4. Step 4: Simplify right side
    1,520,193.03x = 1,745,141,463,746.21
  5. Step 5: Solve for x
    x = 1,745,141,463,746.21/1,520,193.03
  6. Step 6: Final answer
    x = 1,147,973.60

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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.