Home / 879,993.30-1,214,390.46-477,585.30

Finding the Fourth Proportional to 879,993.30, 1,214,390.46 and 477,585.30

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Solution

The fourth proportional to 879,993.30, 1,214,390.46 and 477,585.30 is: 659,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,993.30 : 1,214,390.46 = 477,585.30 : x
  2. Step 2: Convert to fraction form
    879,993.30/1,214,390.46 = 477,585.30/x
  3. Step 3: Cross multiply
    879,993.30x = 1,214,390.46 × 477,585.30
  4. Step 4: Simplify right side
    879,993.30x = 579,975,032,156.24
  5. Step 5: Solve for x
    x = 579,975,032,156.24/879,993.30
  6. Step 6: Final answer
    x = 659,067.55

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Double scale
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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.