Home / 809,336.70-1,214,005.05-436,088.70

Finding the Fourth Proportional to 809,336.70, 1,214,005.05 and 436,088.70

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Solution

The fourth proportional to 809,336.70, 1,214,005.05 and 436,088.70 is: 654,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,336.70 : 1,214,005.05 = 436,088.70 : x
  2. Step 2: Convert to fraction form
    809,336.70/1,214,005.05 = 436,088.70/x
  3. Step 3: Cross multiply
    809,336.70x = 1,214,005.05 × 436,088.70
  4. Step 4: Simplify right side
    809,336.70x = 529,413,884,047.94
  5. Step 5: Solve for x
    x = 529,413,884,047.94/809,336.70
  6. Step 6: Final answer
    x = 654,133.05

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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.