Home / 941,021.02-1,298,590.32-511,304.23

Finding the Fourth Proportional to 941,021.02, 1,298,590.32 and 511,304.23

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Solution

The fourth proportional to 941,021.02, 1,298,590.32 and 511,304.23 is: 705,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,021.02 : 1,298,590.32 = 511,304.23 : x
  2. Step 2: Convert to fraction form
    941,021.02/1,298,590.32 = 511,304.23/x
  3. Step 3: Cross multiply
    941,021.02x = 1,298,590.32 × 511,304.23
  4. Step 4: Simplify right side
    941,021.02x = 663,974,723,653.05
  5. Step 5: Solve for x
    x = 663,974,723,653.05/941,021.02
  6. Step 6: Final answer
    x = 705,589.68

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Double scale
Find fourth proportional to 941,022.02, 1,298,591.70 and 511,305.23
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1.5x scale

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.