Home / 972,653.62-1,342,256.79-564,855.64

Finding the Fourth Proportional to 972,653.62, 1,342,256.79 and 564,855.64

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Solution

The fourth proportional to 972,653.62, 1,342,256.79 and 564,855.64 is: 779,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,653.62 : 1,342,256.79 = 564,855.64 : x
  2. Step 2: Convert to fraction form
    972,653.62/1,342,256.79 = 564,855.64/x
  3. Step 3: Cross multiply
    972,653.62x = 1,342,256.79 × 564,855.64
  4. Step 4: Simplify right side
    972,653.62x = 758,181,321,295.24
  5. Step 5: Solve for x
    x = 758,181,321,295.24/972,653.62
  6. Step 6: Final answer
    x = 779,497.76

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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.