Home / 1,186,114.86-1,636,955.73-676,893.78

Finding the Fourth Proportional to 1,186,114.86, 1,636,955.73 and 676,893.78

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Solution

The fourth proportional to 1,186,114.86, 1,636,955.73 and 676,893.78 is: 934,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,114.86 : 1,636,955.73 = 676,893.78 : x
  2. Step 2: Convert to fraction form
    1,186,114.86/1,636,955.73 = 676,893.78/x
  3. Step 3: Cross multiply
    1,186,114.86x = 1,636,955.73 × 676,893.78
  4. Step 4: Simplify right side
    1,186,114.86x = 1,108,045,151,772.36
  5. Step 5: Solve for x
    x = 1,108,045,151,772.36/1,186,114.86
  6. Step 6: Final answer
    x = 934,180.31

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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.