Home / 857,653.44-1,183,647.84-475,754.40

Finding the Fourth Proportional to 857,653.44, 1,183,647.84 and 475,754.40

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Solution

The fourth proportional to 857,653.44, 1,183,647.84 and 475,754.40 is: 656,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,653.44 : 1,183,647.84 = 475,754.40 : x
  2. Step 2: Convert to fraction form
    857,653.44/1,183,647.84 = 475,754.40/x
  3. Step 3: Cross multiply
    857,653.44x = 1,183,647.84 × 475,754.40
  4. Step 4: Simplify right side
    857,653.44x = 563,125,667,930.50
  5. Step 5: Solve for x
    x = 563,125,667,930.50/857,653.44
  6. Step 6: Final answer
    x = 656,588.83

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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.