Home / 716,647.96-1,075,127.46-217,999

Finding the Fourth Proportional to 716,647.96, 1,075,127.46 and 217,999

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Solution

The fourth proportional to 716,647.96, 1,075,127.46 and 217,999 is: 327,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,647.96 : 1,075,127.46 = 217,999 : x
  2. Step 2: Convert to fraction form
    716,647.96/1,075,127.46 = 217,999/x
  3. Step 3: Cross multiply
    716,647.96x = 1,075,127.46 × 217,999
  4. Step 4: Simplify right side
    716,647.96x = 234,376,711,152.54
  5. Step 5: Solve for x
    x = 234,376,711,152.54/716,647.96
  6. Step 6: Final answer
    x = 327,045.81

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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.