Home / 786,133.59-1,084,742.87-441,905.73

Finding the Fourth Proportional to 786,133.59, 1,084,742.87 and 441,905.73

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Solution

The fourth proportional to 786,133.59, 1,084,742.87 and 441,905.73 is: 609,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,133.59 : 1,084,742.87 = 441,905.73 : x
  2. Step 2: Convert to fraction form
    786,133.59/1,084,742.87 = 441,905.73/x
  3. Step 3: Cross multiply
    786,133.59x = 1,084,742.87 × 441,905.73
  4. Step 4: Simplify right side
    786,133.59x = 479,354,087,620.12
  5. Step 5: Solve for x
    x = 479,354,087,620.12/786,133.59
  6. Step 6: Final answer
    x = 609,761.62

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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.