Home / 1,133,647.74-1,699,881.12-423,091.44

Finding the Fourth Proportional to 1,133,647.74, 1,699,881.12 and 423,091.44

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Solution

The fourth proportional to 1,133,647.74, 1,699,881.12 and 423,091.44 is: 634,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,647.74 : 1,699,881.12 = 423,091.44 : x
  2. Step 2: Convert to fraction form
    1,133,647.74/1,699,881.12 = 423,091.44/x
  3. Step 3: Cross multiply
    1,133,647.74x = 1,699,881.12 × 423,091.44
  4. Step 4: Simplify right side
    1,133,647.74x = 719,205,150,889.61
  5. Step 5: Solve for x
    x = 719,205,150,889.61/1,133,647.74
  6. Step 6: Final answer
    x = 634,416.78

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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.