Home / 457,226.16-630,981.06-273,653.76

Finding the Fourth Proportional to 457,226.16, 630,981.06 and 273,653.76

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Solution

The fourth proportional to 457,226.16, 630,981.06 and 273,653.76 is: 377,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,226.16 : 630,981.06 = 273,653.76 : x
  2. Step 2: Convert to fraction form
    457,226.16/630,981.06 = 273,653.76/x
  3. Step 3: Cross multiply
    457,226.16x = 630,981.06 × 273,653.76
  4. Step 4: Simplify right side
    457,226.16x = 172,670,339,557.79
  5. Step 5: Solve for x
    x = 172,670,339,557.79/457,226.16
  6. Step 6: Final answer
    x = 377,647.55

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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.