Home / 941,289.86-1,298,990.04-511,570.01

Finding the Fourth Proportional to 941,289.86, 1,298,990.04 and 511,570.01

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Solution

The fourth proportional to 941,289.86, 1,298,990.04 and 511,570.01 is: 705,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,289.86 : 1,298,990.04 = 511,570.01 : x
  2. Step 2: Convert to fraction form
    941,289.86/1,298,990.04 = 511,570.01/x
  3. Step 3: Cross multiply
    941,289.86x = 1,298,990.04 × 511,570.01
  4. Step 4: Simplify right side
    941,289.86x = 664,524,347,752.70
  5. Step 5: Solve for x
    x = 664,524,347,752.70/941,289.86
  6. Step 6: Final answer
    x = 705,972.07

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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.