Home / 1,179,192.68-1,627,317.54-642,683.24

Finding the Fourth Proportional to 1,179,192.68, 1,627,317.54 and 642,683.24

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Solution

The fourth proportional to 1,179,192.68, 1,627,317.54 and 642,683.24 is: 886,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,192.68 : 1,627,317.54 = 642,683.24 : x
  2. Step 2: Convert to fraction form
    1,179,192.68/1,627,317.54 = 642,683.24/x
  3. Step 3: Cross multiply
    1,179,192.68x = 1,627,317.54 × 642,683.24
  4. Step 4: Simplify right side
    1,179,192.68x = 1,045,849,709,116.03
  5. Step 5: Solve for x
    x = 1,045,849,709,116.03/1,179,192.68
  6. Step 6: Final answer
    x = 886,920.12

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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.