Home / 766,656-1,057,941.27-439,899.84

Finding the Fourth Proportional to 766,656, 1,057,941.27 and 439,899.84

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Solution

The fourth proportional to 766,656, 1,057,941.27 and 439,899.84 is: 607,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,656 : 1,057,941.27 = 439,899.84 : x
  2. Step 2: Convert to fraction form
    766,656/1,057,941.27 = 439,899.84/x
  3. Step 3: Cross multiply
    766,656x = 1,057,941.27 × 439,899.84
  4. Step 4: Simplify right side
    766,656x = 465,388,195,402.40
  5. Step 5: Solve for x
    x = 465,388,195,402.40/766,656
  6. Step 6: Final answer
    x = 607,036.53

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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.