Home / 1,070,694.44-1,478,027.76-749,663.36

Finding the Fourth Proportional to 1,070,694.44, 1,478,027.76 and 749,663.36

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Solution

The fourth proportional to 1,070,694.44, 1,478,027.76 and 749,663.36 is: 1,034,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,694.44 : 1,478,027.76 = 749,663.36 : x
  2. Step 2: Convert to fraction form
    1,070,694.44/1,478,027.76 = 749,663.36/x
  3. Step 3: Cross multiply
    1,070,694.44x = 1,478,027.76 × 749,663.36
  4. Step 4: Simplify right side
    1,070,694.44x = 1,108,023,256,734.87
  5. Step 5: Solve for x
    x = 1,108,023,256,734.87/1,070,694.44
  6. Step 6: Final answer
    x = 1,034,864.12

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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.