Home / 889,015.58-1,226,831.92-481,108.40

Finding the Fourth Proportional to 889,015.58, 1,226,831.92 and 481,108.40

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Solution

The fourth proportional to 889,015.58, 1,226,831.92 and 481,108.40 is: 663,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,015.58 : 1,226,831.92 = 481,108.40 : x
  2. Step 2: Convert to fraction form
    889,015.58/1,226,831.92 = 481,108.40/x
  3. Step 3: Cross multiply
    889,015.58x = 1,226,831.92 × 481,108.40
  4. Step 4: Simplify right side
    889,015.58x = 590,239,142,100.13
  5. Step 5: Solve for x
    x = 590,239,142,100.13/889,015.58
  6. Step 6: Final answer
    x = 663,924.41

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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.