Home / 626,537.79-863,968.59-371,839.77

Finding the Fourth Proportional to 626,537.79, 863,968.59 and 371,839.77

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Solution

The fourth proportional to 626,537.79, 863,968.59 and 371,839.77 is: 512,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,537.79 : 863,968.59 = 371,839.77 : x
  2. Step 2: Convert to fraction form
    626,537.79/863,968.59 = 371,839.77/x
  3. Step 3: Cross multiply
    626,537.79x = 863,968.59 × 371,839.77
  4. Step 4: Simplify right side
    626,537.79x = 321,257,881,792.82
  5. Step 5: Solve for x
    x = 321,257,881,792.82/626,537.79
  6. Step 6: Final answer
    x = 512,751.01

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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.