Home / 808,584.48-1,213,623.72-409,505.76

Finding the Fourth Proportional to 808,584.48, 1,213,623.72 and 409,505.76

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Solution

The fourth proportional to 808,584.48, 1,213,623.72 and 409,505.76 is: 614,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,584.48 : 1,213,623.72 = 409,505.76 : x
  2. Step 2: Convert to fraction form
    808,584.48/1,213,623.72 = 409,505.76/x
  3. Step 3: Cross multiply
    808,584.48x = 1,213,623.72 × 409,505.76
  4. Step 4: Simplify right side
    808,584.48x = 496,985,903,812.63
  5. Step 5: Solve for x
    x = 496,985,903,812.63/808,584.48
  6. Step 6: Final answer
    x = 614,636.96

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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.