Home / 451,681.11-623,251.26-258,055.07

Finding the Fourth Proportional to 451,681.11, 623,251.26 and 258,055.07

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Solution

The fourth proportional to 451,681.11, 623,251.26 and 258,055.07 is: 356,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,681.11 : 623,251.26 = 258,055.07 : x
  2. Step 2: Convert to fraction form
    451,681.11/623,251.26 = 258,055.07/x
  3. Step 3: Cross multiply
    451,681.11x = 623,251.26 × 258,055.07
  4. Step 4: Simplify right side
    451,681.11x = 160,833,144,410.63
  5. Step 5: Solve for x
    x = 160,833,144,410.63/451,681.11
  6. Step 6: Final answer
    x = 356,076.76

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1.5x scale

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.