Home / 457,278.16-630,834.18-296,185

Finding the Fourth Proportional to 457,278.16, 630,834.18 and 296,185

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Solution

The fourth proportional to 457,278.16, 630,834.18 and 296,185 is: 408,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,278.16 : 630,834.18 = 296,185 : x
  2. Step 2: Convert to fraction form
    457,278.16/630,834.18 = 296,185/x
  3. Step 3: Cross multiply
    457,278.16x = 630,834.18 × 296,185
  4. Step 4: Simplify right side
    457,278.16x = 186,843,621,603.30
  5. Step 5: Solve for x
    x = 186,843,621,603.30/457,278.16
  6. Step 6: Final answer
    x = 408,599.49

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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.