Home / 691,007.67-953,577.63-385,077.31

Finding the Fourth Proportional to 691,007.67, 953,577.63 and 385,077.31

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Solution

The fourth proportional to 691,007.67, 953,577.63 and 385,077.31 is: 531,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,007.67 : 953,577.63 = 385,077.31 : x
  2. Step 2: Convert to fraction form
    691,007.67/953,577.63 = 385,077.31/x
  3. Step 3: Cross multiply
    691,007.67x = 953,577.63 × 385,077.31
  4. Step 4: Simplify right side
    691,007.67x = 367,201,106,252.63
  5. Step 5: Solve for x
    x = 367,201,106,252.63/691,007.67
  6. Step 6: Final answer
    x = 531,399.47

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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.