Home / 929,226.44-1,280,975.16-656,813.72

Finding the Fourth Proportional to 929,226.44, 1,280,975.16 and 656,813.72

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Solution

The fourth proportional to 929,226.44, 1,280,975.16 and 656,813.72 is: 905,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,226.44 : 1,280,975.16 = 656,813.72 : x
  2. Step 2: Convert to fraction form
    929,226.44/1,280,975.16 = 656,813.72/x
  3. Step 3: Cross multiply
    929,226.44x = 1,280,975.16 × 656,813.72
  4. Step 4: Simplify right side
    929,226.44x = 841,362,060,067.20
  5. Step 5: Solve for x
    x = 841,362,060,067.20/929,226.44
  6. Step 6: Final answer
    x = 905,443.52

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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.