Home / 1,186,131.64-1,636,978.86-676,910.56

Finding the Fourth Proportional to 1,186,131.64, 1,636,978.86 and 676,910.56

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Solution

The fourth proportional to 1,186,131.64, 1,636,978.86 and 676,910.56 is: 934,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,131.64 : 1,636,978.86 = 676,910.56 : x
  2. Step 2: Convert to fraction form
    1,186,131.64/1,636,978.86 = 676,910.56/x
  3. Step 3: Cross multiply
    1,186,131.64x = 1,636,978.86 × 676,910.56
  4. Step 4: Simplify right side
    1,186,131.64x = 1,108,088,276,830.76
  5. Step 5: Solve for x
    x = 1,108,088,276,830.76/1,186,131.64
  6. Step 6: Final answer
    x = 934,203.46

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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.