Home / 762,561.07-1,143,641.12-362,405.68

Finding the Fourth Proportional to 762,561.07, 1,143,641.12 and 362,405.68

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Solution

The fourth proportional to 762,561.07, 1,143,641.12 and 362,405.68 is: 543,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,561.07 : 1,143,641.12 = 362,405.68 : x
  2. Step 2: Convert to fraction form
    762,561.07/1,143,641.12 = 362,405.68/x
  3. Step 3: Cross multiply
    762,561.07x = 1,143,641.12 × 362,405.68
  4. Step 4: Simplify right side
    762,561.07x = 414,462,032,051.36
  5. Step 5: Solve for x
    x = 414,462,032,051.36/762,561.07
  6. Step 6: Final answer
    x = 543,513.24

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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.