Home / 283,799.04-393,333.23-278,484.63

Finding the Fourth Proportional to 283,799.04, 393,333.23 and 278,484.63

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Solution

The fourth proportional to 283,799.04, 393,333.23 and 278,484.63 is: 385,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,799.04 : 393,333.23 = 278,484.63 : x
  2. Step 2: Convert to fraction form
    283,799.04/393,333.23 = 278,484.63/x
  3. Step 3: Cross multiply
    283,799.04x = 393,333.23 × 278,484.63
  4. Step 4: Simplify right side
    283,799.04x = 109,537,257,630.83
  5. Step 5: Solve for x
    x = 109,537,257,630.83/283,799.04
  6. Step 6: Final answer
    x = 385,967.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.