Home / 1,215,678.33-1,677,625.43-671,850.81

Finding the Fourth Proportional to 1,215,678.33, 1,677,625.43 and 671,850.81

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Solution

The fourth proportional to 1,215,678.33, 1,677,625.43 and 671,850.81 is: 927,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,678.33 : 1,677,625.43 = 671,850.81 : x
  2. Step 2: Convert to fraction form
    1,215,678.33/1,677,625.43 = 671,850.81/x
  3. Step 3: Cross multiply
    1,215,678.33x = 1,677,625.43 × 671,850.81
  4. Step 4: Simplify right side
    1,215,678.33x = 1,127,114,000,662.84
  5. Step 5: Solve for x
    x = 1,127,114,000,662.84/1,215,678.33
  6. Step 6: Final answer
    x = 927,148.22

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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.