Home / 1,118,814.72-1,544,004-635,366.40

Finding the Fourth Proportional to 1,118,814.72, 1,544,004 and 635,366.40

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Solution

The fourth proportional to 1,118,814.72, 1,544,004 and 635,366.40 is: 876,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,814.72 : 1,544,004 = 635,366.40 : x
  2. Step 2: Convert to fraction form
    1,118,814.72/1,544,004 = 635,366.40/x
  3. Step 3: Cross multiply
    1,118,814.72x = 1,544,004 × 635,366.40
  4. Step 4: Simplify right side
    1,118,814.72x = 981,008,263,065.60
  5. Step 5: Solve for x
    x = 981,008,263,065.60/1,118,814.72
  6. Step 6: Final answer
    x = 876,828.17

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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.