Home / 451,625.40-677,438.10-185,297.40

Finding the Fourth Proportional to 451,625.40, 677,438.10 and 185,297.40

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Solution

The fourth proportional to 451,625.40, 677,438.10 and 185,297.40 is: 277,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,625.40 : 677,438.10 = 185,297.40 : x
  2. Step 2: Convert to fraction form
    451,625.40/677,438.10 = 185,297.40/x
  3. Step 3: Cross multiply
    451,625.40x = 677,438.10 × 185,297.40
  4. Step 4: Simplify right side
    451,625.40x = 125,527,518,590.94
  5. Step 5: Solve for x
    x = 125,527,518,590.94/451,625.40
  6. Step 6: Final answer
    x = 277,946.10

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1.5x scale

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.