Home / 956,638.37-1,320,220.78-526,918.39

Finding the Fourth Proportional to 956,638.37, 1,320,220.78 and 526,918.39

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Solution

The fourth proportional to 956,638.37, 1,320,220.78 and 526,918.39 is: 727,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,638.37 : 1,320,220.78 = 526,918.39 : x
  2. Step 2: Convert to fraction form
    956,638.37/1,320,220.78 = 526,918.39/x
  3. Step 3: Cross multiply
    956,638.37x = 1,320,220.78 × 526,918.39
  4. Step 4: Simplify right side
    956,638.37x = 695,648,607,842.14
  5. Step 5: Solve for x
    x = 695,648,607,842.14/956,638.37
  6. Step 6: Final answer
    x = 727,180.33

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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.