Home / 918,957.04-1,268,161.44-511,050

Finding the Fourth Proportional to 918,957.04, 1,268,161.44 and 511,050

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Solution

The fourth proportional to 918,957.04, 1,268,161.44 and 511,050 is: 705,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,957.04 : 1,268,161.44 = 511,050 : x
  2. Step 2: Convert to fraction form
    918,957.04/1,268,161.44 = 511,050/x
  3. Step 3: Cross multiply
    918,957.04x = 1,268,161.44 × 511,050
  4. Step 4: Simplify right side
    918,957.04x = 648,093,903,912
  5. Step 5: Solve for x
    x = 648,093,903,912/918,957.04
  6. Step 6: Final answer
    x = 705,249.40

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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.