Home / 766,199.31-1,057,262.45-439,495.39

Finding the Fourth Proportional to 766,199.31, 1,057,262.45 and 439,495.39

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Solution

The fourth proportional to 766,199.31, 1,057,262.45 and 439,495.39 is: 606,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,199.31 : 1,057,262.45 = 439,495.39 : x
  2. Step 2: Convert to fraction form
    766,199.31/1,057,262.45 = 439,495.39/x
  3. Step 3: Cross multiply
    766,199.31x = 1,057,262.45 × 439,495.39
  4. Step 4: Simplify right side
    766,199.31x = 464,661,972,795.11
  5. Step 5: Solve for x
    x = 464,661,972,795.11/766,199.31
  6. Step 6: Final answer
    x = 606,450.52

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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.