Home / 1,227,608.16-1,694,031.93-676,215.78

Finding the Fourth Proportional to 1,227,608.16, 1,694,031.93 and 676,215.78

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Solution

The fourth proportional to 1,227,608.16, 1,694,031.93 and 676,215.78 is: 933,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,608.16 : 1,694,031.93 = 676,215.78 : x
  2. Step 2: Convert to fraction form
    1,227,608.16/1,694,031.93 = 676,215.78/x
  3. Step 3: Cross multiply
    1,227,608.16x = 1,694,031.93 × 676,215.78
  4. Step 4: Simplify right side
    1,227,608.16x = 1,145,531,122,889.86
  5. Step 5: Solve for x
    x = 1,145,531,122,889.86/1,227,608.16
  6. Step 6: Final answer
    x = 933,140.69

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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.