Home / 408,416.18-563,533.40-247,286.22

Finding the Fourth Proportional to 408,416.18, 563,533.40 and 247,286.22

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Solution

The fourth proportional to 408,416.18, 563,533.40 and 247,286.22 is: 341,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,416.18 : 563,533.40 = 247,286.22 : x
  2. Step 2: Convert to fraction form
    408,416.18/563,533.40 = 247,286.22/x
  3. Step 3: Cross multiply
    408,416.18x = 563,533.40 × 247,286.22
  4. Step 4: Simplify right side
    408,416.18x = 139,354,042,834.71
  5. Step 5: Solve for x
    x = 139,354,042,834.71/408,416.18
  6. Step 6: Final answer
    x = 341,205.98

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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.