Home / 863,479.80-1,191,603.33-476,286.57

Finding the Fourth Proportional to 863,479.80, 1,191,603.33 and 476,286.57

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Solution

The fourth proportional to 863,479.80, 1,191,603.33 and 476,286.57 is: 657,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,479.80 : 1,191,603.33 = 476,286.57 : x
  2. Step 2: Convert to fraction form
    863,479.80/1,191,603.33 = 476,286.57/x
  3. Step 3: Cross multiply
    863,479.80x = 1,191,603.33 × 476,286.57
  4. Step 4: Simplify right side
    863,479.80x = 567,544,662,846.28
  5. Step 5: Solve for x
    x = 567,544,662,846.28/863,479.80
  6. Step 6: Final answer
    x = 657,276.13

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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.