Home / 1,192,407.16-1,645,520.70-683,111.56

Finding the Fourth Proportional to 1,192,407.16, 1,645,520.70 and 683,111.56

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Solution

The fourth proportional to 1,192,407.16, 1,645,520.70 and 683,111.56 is: 942,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,407.16 : 1,645,520.70 = 683,111.56 : x
  2. Step 2: Convert to fraction form
    1,192,407.16/1,645,520.70 = 683,111.56/x
  3. Step 3: Cross multiply
    1,192,407.16x = 1,645,520.70 × 683,111.56
  4. Step 4: Simplify right side
    1,192,407.16x = 1,124,074,212,389.29
  5. Step 5: Solve for x
    x = 1,124,074,212,389.29/1,192,407.16
  6. Step 6: Final answer
    x = 942,693.28

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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.