Home / 762,561.44-1,143,641.70-362,406.08

Finding the Fourth Proportional to 762,561.44, 1,143,641.70 and 362,406.08

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Solution

The fourth proportional to 762,561.44, 1,143,641.70 and 362,406.08 is: 543,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,561.44 : 1,143,641.70 = 362,406.08 : x
  2. Step 2: Convert to fraction form
    762,561.44/1,143,641.70 = 362,406.08/x
  3. Step 3: Cross multiply
    762,561.44x = 1,143,641.70 × 362,406.08
  4. Step 4: Simplify right side
    762,561.44x = 414,462,705,421.54
  5. Step 5: Solve for x
    x = 414,462,705,421.54/762,561.44
  6. Step 6: Final answer
    x = 543,513.85

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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.