Home / 785,999.34-1,179,070.29-217,416.06

Finding the Fourth Proportional to 785,999.34, 1,179,070.29 and 217,416.06

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Solution

The fourth proportional to 785,999.34, 1,179,070.29 and 217,416.06 is: 326,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,999.34 : 1,179,070.29 = 217,416.06 : x
  2. Step 2: Convert to fraction form
    785,999.34/1,179,070.29 = 217,416.06/x
  3. Step 3: Cross multiply
    785,999.34x = 1,179,070.29 × 217,416.06
  4. Step 4: Simplify right side
    785,999.34x = 256,348,816,914.86
  5. Step 5: Solve for x
    x = 256,348,816,914.86/785,999.34
  6. Step 6: Final answer
    x = 326,143.81

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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.