Home / 1,112,522.76-1,535,216.22-629,189.28

Finding the Fourth Proportional to 1,112,522.76, 1,535,216.22 and 629,189.28

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Solution

The fourth proportional to 1,112,522.76, 1,535,216.22 and 629,189.28 is: 868,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,522.76 : 1,535,216.22 = 629,189.28 : x
  2. Step 2: Convert to fraction form
    1,112,522.76/1,535,216.22 = 629,189.28/x
  3. Step 3: Cross multiply
    1,112,522.76x = 1,535,216.22 × 629,189.28
  4. Step 4: Simplify right side
    1,112,522.76x = 965,941,588,106.12
  5. Step 5: Solve for x
    x = 965,941,588,106.12/1,112,522.76
  6. Step 6: Final answer
    x = 868,244.34

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Double scale
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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.