Home / 1,326,233.51-1,989,738.45-427,657.17

Finding the Fourth Proportional to 1,326,233.51, 1,989,738.45 and 427,657.17

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Solution

The fourth proportional to 1,326,233.51, 1,989,738.45 and 427,657.17 is: 641,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,233.51 : 1,989,738.45 = 427,657.17 : x
  2. Step 2: Convert to fraction form
    1,326,233.51/1,989,738.45 = 427,657.17/x
  3. Step 3: Cross multiply
    1,326,233.51x = 1,989,738.45 × 427,657.17
  4. Step 4: Simplify right side
    1,326,233.51x = 850,925,914,567.19
  5. Step 5: Solve for x
    x = 850,925,914,567.19/1,326,233.51
  6. Step 6: Final answer
    x = 641,610.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.