Home / 1,046,879.50-1,444,657.32-639,662.98

Finding the Fourth Proportional to 1,046,879.50, 1,444,657.32 and 639,662.98

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Solution

The fourth proportional to 1,046,879.50, 1,444,657.32 and 639,662.98 is: 882,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,879.50 : 1,444,657.32 = 639,662.98 : x
  2. Step 2: Convert to fraction form
    1,046,879.50/1,444,657.32 = 639,662.98/x
  3. Step 3: Cross multiply
    1,046,879.50x = 1,444,657.32 × 639,662.98
  4. Step 4: Simplify right side
    1,046,879.50x = 924,093,806,390.01
  5. Step 5: Solve for x
    x = 924,093,806,390.01/1,046,879.50
  6. Step 6: Final answer
    x = 882,712.68

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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.