Home / 285,440.51-393,534.50-245,582.43

Finding the Fourth Proportional to 285,440.51, 393,534.50 and 245,582.43

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Solution

The fourth proportional to 285,440.51, 393,534.50 and 245,582.43 is: 338,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,440.51 : 393,534.50 = 245,582.43 : x
  2. Step 2: Convert to fraction form
    285,440.51/393,534.50 = 245,582.43/x
  3. Step 3: Cross multiply
    285,440.51x = 393,534.50 × 245,582.43
  4. Step 4: Simplify right side
    285,440.51x = 96,645,157,570.92
  5. Step 5: Solve for x
    x = 96,645,157,570.92/285,440.51
  6. Step 6: Final answer
    x = 338,582.49

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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.