Home / 938,016.56-1,406,729.46-306,783.02

Finding the Fourth Proportional to 938,016.56, 1,406,729.46 and 306,783.02

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Solution

The fourth proportional to 938,016.56, 1,406,729.46 and 306,783.02 is: 460,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,016.56 : 1,406,729.46 = 306,783.02 : x
  2. Step 2: Convert to fraction form
    938,016.56/1,406,729.46 = 306,783.02/x
  3. Step 3: Cross multiply
    938,016.56x = 1,406,729.46 × 306,783.02
  4. Step 4: Simplify right side
    938,016.56x = 431,560,712,061.77
  5. Step 5: Solve for x
    x = 431,560,712,061.77/938,016.56
  6. Step 6: Final answer
    x = 460,077.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.