Home / 917,716.44-1,266,534.24-555,229.32

Finding the Fourth Proportional to 917,716.44, 1,266,534.24 and 555,229.32

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Solution

The fourth proportional to 917,716.44, 1,266,534.24 and 555,229.32 is: 766,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,716.44 : 1,266,534.24 = 555,229.32 : x
  2. Step 2: Convert to fraction form
    917,716.44/1,266,534.24 = 555,229.32/x
  3. Step 3: Cross multiply
    917,716.44x = 1,266,534.24 × 555,229.32
  4. Step 4: Simplify right side
    917,716.44x = 703,216,944,831.92
  5. Step 5: Solve for x
    x = 703,216,944,831.92/917,716.44
  6. Step 6: Final answer
    x = 766,268.22

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Double scale
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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.