Home / 1,457,917.96-2,186,896.56-511,316.32

Finding the Fourth Proportional to 1,457,917.96, 2,186,896.56 and 511,316.32

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Solution

The fourth proportional to 1,457,917.96, 2,186,896.56 and 511,316.32 is: 766,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,917.96 : 2,186,896.56 = 511,316.32 : x
  2. Step 2: Convert to fraction form
    1,457,917.96/2,186,896.56 = 511,316.32/x
  3. Step 3: Cross multiply
    1,457,917.96x = 2,186,896.56 × 511,316.32
  4. Step 4: Simplify right side
    1,457,917.96x = 1,118,195,901,279.86
  5. Step 5: Solve for x
    x = 1,118,195,901,279.86/1,457,917.96
  6. Step 6: Final answer
    x = 766,981.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.