Home / 809,091.50-1,116,573.09-441,588.72

Finding the Fourth Proportional to 809,091.50, 1,116,573.09 and 441,588.72

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Solution

The fourth proportional to 809,091.50, 1,116,573.09 and 441,588.72 is: 609,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,091.50 : 1,116,573.09 = 441,588.72 : x
  2. Step 2: Convert to fraction form
    809,091.50/1,116,573.09 = 441,588.72/x
  3. Step 3: Cross multiply
    809,091.50x = 1,116,573.09 × 441,588.72
  4. Step 4: Simplify right side
    809,091.50x = 493,066,084,130.74
  5. Step 5: Solve for x
    x = 493,066,084,130.74/809,091.50
  6. Step 6: Final answer
    x = 609,407.08

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Double scale
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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.