Home / 781,091.56-1,077,881.70-441,539.56

Finding the Fourth Proportional to 781,091.56, 1,077,881.70 and 441,539.56

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Solution

The fourth proportional to 781,091.56, 1,077,881.70 and 441,539.56 is: 609,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,091.56 : 1,077,881.70 = 441,539.56 : x
  2. Step 2: Convert to fraction form
    781,091.56/1,077,881.70 = 441,539.56/x
  3. Step 3: Cross multiply
    781,091.56x = 1,077,881.70 × 441,539.56
  4. Step 4: Simplify right side
    781,091.56x = 475,927,411,550.05
  5. Step 5: Solve for x
    x = 475,927,411,550.05/781,091.56
  6. Step 6: Final answer
    x = 609,310.66

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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.