Home / 941,085.43-1,298,705.68-511,365.56

Finding the Fourth Proportional to 941,085.43, 1,298,705.68 and 511,365.56

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Solution

The fourth proportional to 941,085.43, 1,298,705.68 and 511,365.56 is: 705,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,085.43 : 1,298,705.68 = 511,365.56 : x
  2. Step 2: Convert to fraction form
    941,085.43/1,298,705.68 = 511,365.56/x
  3. Step 3: Cross multiply
    941,085.43x = 1,298,705.68 × 511,365.56
  4. Step 4: Simplify right side
    941,085.43x = 664,113,351,904.27
  5. Step 5: Solve for x
    x = 664,113,351,904.27/941,085.43
  6. Step 6: Final answer
    x = 705,688.70

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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.