Home / 1,161,871.93-1,603,351.29-645,612.49

Finding the Fourth Proportional to 1,161,871.93, 1,603,351.29 and 645,612.49

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Solution

The fourth proportional to 1,161,871.93, 1,603,351.29 and 645,612.49 is: 890,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,871.93 : 1,603,351.29 = 645,612.49 : x
  2. Step 2: Convert to fraction form
    1,161,871.93/1,603,351.29 = 645,612.49/x
  3. Step 3: Cross multiply
    1,161,871.93x = 1,603,351.29 × 645,612.49
  4. Step 4: Simplify right side
    1,161,871.93x = 1,035,143,614,673.23
  5. Step 5: Solve for x
    x = 1,035,143,614,673.23/1,161,871.93
  6. Step 6: Final answer
    x = 890,927.47

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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.