Home / 786,104.49-1,084,688.76-441,892.71

Finding the Fourth Proportional to 786,104.49, 1,084,688.76 and 441,892.71

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Solution

The fourth proportional to 786,104.49, 1,084,688.76 and 441,892.71 is: 609,735.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,104.49 : 1,084,688.76 = 441,892.71 : x
  2. Step 2: Convert to fraction form
    786,104.49/1,084,688.76 = 441,892.71/x
  3. Step 3: Cross multiply
    786,104.49x = 1,084,688.76 × 441,892.71
  4. Step 4: Simplify right side
    786,104.49x = 479,316,051,972.05
  5. Step 5: Solve for x
    x = 479,316,051,972.05/786,104.49
  6. Step 6: Final answer
    x = 609,735.81

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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.