Home / 879,924.47-1,214,295.77-477,516.47

Finding the Fourth Proportional to 879,924.47, 1,214,295.77 and 477,516.47

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Solution

The fourth proportional to 879,924.47, 1,214,295.77 and 477,516.47 is: 658,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,924.47 : 1,214,295.77 = 477,516.47 : x
  2. Step 2: Convert to fraction form
    879,924.47/1,214,295.77 = 477,516.47/x
  3. Step 3: Cross multiply
    879,924.47x = 1,214,295.77 × 477,516.47
  4. Step 4: Simplify right side
    879,924.47x = 579,846,233,855.86
  5. Step 5: Solve for x
    x = 579,846,233,855.86/879,924.47
  6. Step 6: Final answer
    x = 658,972.73

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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.