Home / 450,259.14-674,306.37-257,549.51

Finding the Fourth Proportional to 450,259.14, 674,306.37 and 257,549.51

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Solution

The fourth proportional to 450,259.14, 674,306.37 and 257,549.51 is: 385,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,259.14 : 674,306.37 = 257,549.51 : x
  2. Step 2: Convert to fraction form
    450,259.14/674,306.37 = 257,549.51/x
  3. Step 3: Cross multiply
    450,259.14x = 674,306.37 × 257,549.51
  4. Step 4: Simplify right side
    450,259.14x = 173,667,271,811.85
  5. Step 5: Solve for x
    x = 173,667,271,811.85/450,259.14
  6. Step 6: Final answer
    x = 385,705.16

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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.