Home / 451,986.24-623,740.92-258,398.16

Finding the Fourth Proportional to 451,986.24, 623,740.92 and 258,398.16

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Solution

The fourth proportional to 451,986.24, 623,740.92 and 258,398.16 is: 356,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,986.24 : 623,740.92 = 258,398.16 : x
  2. Step 2: Convert to fraction form
    451,986.24/623,740.92 = 258,398.16/x
  3. Step 3: Cross multiply
    451,986.24x = 623,740.92 × 258,398.16
  4. Step 4: Simplify right side
    451,986.24x = 161,173,506,044.71
  5. Step 5: Solve for x
    x = 161,173,506,044.71/451,986.24
  6. Step 6: Final answer
    x = 356,589.41

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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.