Home / 1,243,941.13-1,717,168.43-836,279.41

Finding the Fourth Proportional to 1,243,941.13, 1,717,168.43 and 836,279.41

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Solution

The fourth proportional to 1,243,941.13, 1,717,168.43 and 836,279.41 is: 1,154,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,941.13 : 1,717,168.43 = 836,279.41 : x
  2. Step 2: Convert to fraction form
    1,243,941.13/1,717,168.43 = 836,279.41/x
  3. Step 3: Cross multiply
    1,243,941.13x = 1,717,168.43 × 836,279.41
  4. Step 4: Simplify right side
    1,243,941.13x = 1,436,032,597,329.63
  5. Step 5: Solve for x
    x = 1,436,032,597,329.63/1,243,941.13
  6. Step 6: Final answer
    x = 1,154,421.67

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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.