Home / 1,086,603.84-1,630,978.44-815,790.06

Finding the Fourth Proportional to 1,086,603.84, 1,630,978.44 and 815,790.06

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Solution

The fourth proportional to 1,086,603.84, 1,630,978.44 and 815,790.06 is: 1,224,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,603.84 : 1,630,978.44 = 815,790.06 : x
  2. Step 2: Convert to fraction form
    1,086,603.84/1,630,978.44 = 815,790.06/x
  3. Step 3: Cross multiply
    1,086,603.84x = 1,630,978.44 × 815,790.06
  4. Step 4: Simplify right side
    1,086,603.84x = 1,330,535,999,426.31
  5. Step 5: Solve for x
    x = 1,330,535,999,426.31/1,086,603.84
  6. Step 6: Final answer
    x = 1,224,490.43

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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.