Home / 454,923.08-627,590.80-263,825.72

Finding the Fourth Proportional to 454,923.08, 627,590.80 and 263,825.72

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Solution

The fourth proportional to 454,923.08, 627,590.80 and 263,825.72 is: 363,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,923.08 : 627,590.80 = 263,825.72 : x
  2. Step 2: Convert to fraction form
    454,923.08/627,590.80 = 263,825.72/x
  3. Step 3: Cross multiply
    454,923.08x = 627,590.80 × 263,825.72
  4. Step 4: Simplify right side
    454,923.08x = 165,574,594,675.38
  5. Step 5: Solve for x
    x = 165,574,594,675.38/454,923.08
  6. Step 6: Final answer
    x = 363,961.74

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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.