Home / 451,764.15-623,423.12-258,159.55

Finding the Fourth Proportional to 451,764.15, 623,423.12 and 258,159.55

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Solution

The fourth proportional to 451,764.15, 623,423.12 and 258,159.55 is: 356,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,764.15 : 623,423.12 = 258,159.55 : x
  2. Step 2: Convert to fraction form
    451,764.15/623,423.12 = 258,159.55/x
  3. Step 3: Cross multiply
    451,764.15x = 623,423.12 × 258,159.55
  4. Step 4: Simplify right side
    451,764.15x = 160,942,632,118.80
  5. Step 5: Solve for x
    x = 160,942,632,118.80/451,764.15
  6. Step 6: Final answer
    x = 356,253.66

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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.