Home / 1,086,638.36-1,499,485.93-603,165.45

Finding the Fourth Proportional to 1,086,638.36, 1,499,485.93 and 603,165.45

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Solution

The fourth proportional to 1,086,638.36, 1,499,485.93 and 603,165.45 is: 832,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,638.36 : 1,499,485.93 = 603,165.45 : x
  2. Step 2: Convert to fraction form
    1,086,638.36/1,499,485.93 = 603,165.45/x
  3. Step 3: Cross multiply
    1,086,638.36x = 1,499,485.93 × 603,165.45
  4. Step 4: Simplify right side
    1,086,638.36x = 904,438,105,737.12
  5. Step 5: Solve for x
    x = 904,438,105,737.12/1,086,638.36
  6. Step 6: Final answer
    x = 832,326.69

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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.