Home / 304,828.16-420,773.28-248,141.12

Finding the Fourth Proportional to 304,828.16, 420,773.28 and 248,141.12

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Solution

The fourth proportional to 304,828.16, 420,773.28 and 248,141.12 is: 342,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,828.16 : 420,773.28 = 248,141.12 : x
  2. Step 2: Convert to fraction form
    304,828.16/420,773.28 = 248,141.12/x
  3. Step 3: Cross multiply
    304,828.16x = 420,773.28 × 248,141.12
  4. Step 4: Simplify right side
    304,828.16x = 104,411,152,965.27
  5. Step 5: Solve for x
    x = 104,411,152,965.27/304,828.16
  6. Step 6: Final answer
    x = 342,524.63

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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.