Home / 651,482.37-899,096.58-419,116.80

Finding the Fourth Proportional to 651,482.37, 899,096.58 and 419,116.80

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Solution

The fourth proportional to 651,482.37, 899,096.58 and 419,116.80 is: 578,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,482.37 : 899,096.58 = 419,116.80 : x
  2. Step 2: Convert to fraction form
    651,482.37/899,096.58 = 419,116.80/x
  3. Step 3: Cross multiply
    651,482.37x = 899,096.58 × 419,116.80
  4. Step 4: Simplify right side
    651,482.37x = 376,826,481,500.54
  5. Step 5: Solve for x
    x = 376,826,481,500.54/651,482.37
  6. Step 6: Final answer
    x = 578,413.94

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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.