Home / 765,580.41-1,056,601.67-439,021.22

Finding the Fourth Proportional to 765,580.41, 1,056,601.67 and 439,021.22

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Solution

The fourth proportional to 765,580.41, 1,056,601.67 and 439,021.22 is: 605,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,580.41 : 1,056,601.67 = 439,021.22 : x
  2. Step 2: Convert to fraction form
    765,580.41/1,056,601.67 = 439,021.22/x
  3. Step 3: Cross multiply
    765,580.41x = 1,056,601.67 × 439,021.22
  4. Step 4: Simplify right side
    765,580.41x = 463,870,546,739.32
  5. Step 5: Solve for x
    x = 463,870,546,739.32/765,580.41
  6. Step 6: Final answer
    x = 605,907.02

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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.