Home / 1,095,699.92-1,512,531.56-666,117.36

Finding the Fourth Proportional to 1,095,699.92, 1,512,531.56 and 666,117.36

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Solution

The fourth proportional to 1,095,699.92, 1,512,531.56 and 666,117.36 is: 919,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,699.92 : 1,512,531.56 = 666,117.36 : x
  2. Step 2: Convert to fraction form
    1,095,699.92/1,512,531.56 = 666,117.36/x
  3. Step 3: Cross multiply
    1,095,699.92x = 1,512,531.56 × 666,117.36
  4. Step 4: Simplify right side
    1,095,699.92x = 1,007,523,529,663.88
  5. Step 5: Solve for x
    x = 1,007,523,529,663.88/1,095,699.92
  6. Step 6: Final answer
    x = 919,525.06

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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.