Home / 1,113,102.40-1,536,081.82-629,657.24

Finding the Fourth Proportional to 1,113,102.40, 1,536,081.82 and 629,657.24

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Solution

The fourth proportional to 1,113,102.40, 1,536,081.82 and 629,657.24 is: 868,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,102.40 : 1,536,081.82 = 629,657.24 : x
  2. Step 2: Convert to fraction form
    1,113,102.40/1,536,081.82 = 629,657.24/x
  3. Step 3: Cross multiply
    1,113,102.40x = 1,536,081.82 × 629,657.24
  4. Step 4: Simplify right side
    1,113,102.40x = 967,205,039,195.38
  5. Step 5: Solve for x
    x = 967,205,039,195.38/1,113,102.40
  6. Step 6: Final answer
    x = 868,927.28

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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.