Home / 889,015.36-1,226,831.72-481,108.32

Finding the Fourth Proportional to 889,015.36, 1,226,831.72 and 481,108.32

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Solution

The fourth proportional to 889,015.36, 1,226,831.72 and 481,108.32 is: 663,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,015.36 : 1,226,831.72 = 481,108.32 : x
  2. Step 2: Convert to fraction form
    889,015.36/1,226,831.72 = 481,108.32/x
  3. Step 3: Cross multiply
    889,015.36x = 1,226,831.72 × 481,108.32
  4. Step 4: Simplify right side
    889,015.36x = 590,238,947,731.91
  5. Step 5: Solve for x
    x = 590,238,947,731.91/889,015.36
  6. Step 6: Final answer
    x = 663,924.35

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Double scale
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Similar ratio
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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.