Home / 715,274.70-986,668.44-446,536.14

Finding the Fourth Proportional to 715,274.70, 986,668.44 and 446,536.14

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Solution

The fourth proportional to 715,274.70, 986,668.44 and 446,536.14 is: 615,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,274.70 : 986,668.44 = 446,536.14 : x
  2. Step 2: Convert to fraction form
    715,274.70/986,668.44 = 446,536.14/x
  3. Step 3: Cross multiply
    715,274.70x = 986,668.44 × 446,536.14
  4. Step 4: Simplify right side
    715,274.70x = 440,583,116,657.42
  5. Step 5: Solve for x
    x = 440,583,116,657.42/715,274.70
  6. Step 6: Final answer
    x = 615,963.51

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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.