Home / 451,700.46-623,316.96-258,118.16

Finding the Fourth Proportional to 451,700.46, 623,316.96 and 258,118.16

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Solution

The fourth proportional to 451,700.46, 623,316.96 and 258,118.16 is: 356,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,700.46 : 623,316.96 = 258,118.16 : x
  2. Step 2: Convert to fraction form
    451,700.46/623,316.96 = 258,118.16/x
  3. Step 3: Cross multiply
    451,700.46x = 623,316.96 × 258,118.16
  4. Step 4: Simplify right side
    451,700.46x = 160,889,426,811.99
  5. Step 5: Solve for x
    x = 160,889,426,811.99/451,700.46
  6. Step 6: Final answer
    x = 356,186.10

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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.