Home / 405,305.22-607,865.39-152,612.36

Finding the Fourth Proportional to 405,305.22, 607,865.39 and 152,612.36

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Solution

The fourth proportional to 405,305.22, 607,865.39 and 152,612.36 is: 228,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,305.22 : 607,865.39 = 152,612.36 : x
  2. Step 2: Convert to fraction form
    405,305.22/607,865.39 = 152,612.36/x
  3. Step 3: Cross multiply
    405,305.22x = 607,865.39 × 152,612.36
  4. Step 4: Simplify right side
    405,305.22x = 92,767,771,730.22
  5. Step 5: Solve for x
    x = 92,767,771,730.22/405,305.22
  6. Step 6: Final answer
    x = 228,883.73

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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.