Home / 832,813.80-1,149,286.64-450,840.57

Finding the Fourth Proportional to 832,813.80, 1,149,286.64 and 450,840.57

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Solution

The fourth proportional to 832,813.80, 1,149,286.64 and 450,840.57 is: 622,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,813.80 : 1,149,286.64 = 450,840.57 : x
  2. Step 2: Convert to fraction form
    832,813.80/1,149,286.64 = 450,840.57/x
  3. Step 3: Cross multiply
    832,813.80x = 1,149,286.64 × 450,840.57
  4. Step 4: Simplify right side
    832,813.80x = 518,145,041,616.78
  5. Step 5: Solve for x
    x = 518,145,041,616.78/832,813.80
  6. Step 6: Final answer
    x = 622,161.93

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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.