Home / 941,230.07-1,298,905.70-511,510.15

Finding the Fourth Proportional to 941,230.07, 1,298,905.70 and 511,510.15

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Solution

The fourth proportional to 941,230.07, 1,298,905.70 and 511,510.15 is: 705,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,230.07 : 1,298,905.70 = 511,510.15 : x
  2. Step 2: Convert to fraction form
    941,230.07/1,298,905.70 = 511,510.15/x
  3. Step 3: Cross multiply
    941,230.07x = 1,298,905.70 × 511,510.15
  4. Step 4: Simplify right side
    941,230.07x = 664,403,449,442.86
  5. Step 5: Solve for x
    x = 664,403,449,442.86/941,230.07
  6. Step 6: Final answer
    x = 705,888.47

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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.