Home / 1,145,376.84-1,580,576.73-636,112.02

Finding the Fourth Proportional to 1,145,376.84, 1,580,576.73 and 636,112.02

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Solution

The fourth proportional to 1,145,376.84, 1,580,576.73 and 636,112.02 is: 877,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,376.84 : 1,580,576.73 = 636,112.02 : x
  2. Step 2: Convert to fraction form
    1,145,376.84/1,580,576.73 = 636,112.02/x
  3. Step 3: Cross multiply
    1,145,376.84x = 1,580,576.73 × 636,112.02
  4. Step 4: Simplify right side
    1,145,376.84x = 1,005,423,845,401.85
  5. Step 5: Solve for x
    x = 1,005,423,845,401.85/1,145,376.84
  6. Step 6: Final answer
    x = 877,810.53

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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.