Home / 1,128,712.48-1,693,622.32-529,722.32

Finding the Fourth Proportional to 1,128,712.48, 1,693,622.32 and 529,722.32

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Solution

The fourth proportional to 1,128,712.48, 1,693,622.32 and 529,722.32 is: 794,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,712.48 : 1,693,622.32 = 529,722.32 : x
  2. Step 2: Convert to fraction form
    1,128,712.48/1,693,622.32 = 529,722.32/x
  3. Step 3: Cross multiply
    1,128,712.48x = 1,693,622.32 × 529,722.32
  4. Step 4: Simplify right side
    1,128,712.48x = 897,149,544,554.18
  5. Step 5: Solve for x
    x = 897,149,544,554.18/1,128,712.48
  6. Step 6: Final answer
    x = 794,843.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.