Home / 657,690.13-986,848.49-455,597.56

Finding the Fourth Proportional to 657,690.13, 986,848.49 and 455,597.56

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Solution

The fourth proportional to 657,690.13, 986,848.49 and 455,597.56 is: 683,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,690.13 : 986,848.49 = 455,597.56 : x
  2. Step 2: Convert to fraction form
    657,690.13/986,848.49 = 455,597.56/x
  3. Step 3: Cross multiply
    657,690.13x = 986,848.49 × 455,597.56
  4. Step 4: Simplify right side
    657,690.13x = 449,605,764,133.68
  5. Step 5: Solve for x
    x = 449,605,764,133.68/657,690.13
  6. Step 6: Final answer
    x = 683,613.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.