Home / 1,418,153.09-1,957,063.75-773,576.15

Finding the Fourth Proportional to 1,418,153.09, 1,957,063.75 and 773,576.15

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Solution

The fourth proportional to 1,418,153.09, 1,957,063.75 and 773,576.15 is: 1,067,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,153.09 : 1,957,063.75 = 773,576.15 : x
  2. Step 2: Convert to fraction form
    1,418,153.09/1,957,063.75 = 773,576.15/x
  3. Step 3: Cross multiply
    1,418,153.09x = 1,957,063.75 × 773,576.15
  4. Step 4: Simplify right side
    1,418,153.09x = 1,513,937,829,310.30
  5. Step 5: Solve for x
    x = 1,513,937,829,310.30/1,418,153.09
  6. Step 6: Final answer
    x = 1,067,541.89

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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.