Home / 835,579.49-1,152,978.05-477,814.37

Finding the Fourth Proportional to 835,579.49, 1,152,978.05 and 477,814.37

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Solution

The fourth proportional to 835,579.49, 1,152,978.05 and 477,814.37 is: 659,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,579.49 : 1,152,978.05 = 477,814.37 : x
  2. Step 2: Convert to fraction form
    835,579.49/1,152,978.05 = 477,814.37/x
  3. Step 3: Cross multiply
    835,579.49x = 1,152,978.05 × 477,814.37
  4. Step 4: Simplify right side
    835,579.49x = 550,909,478,195.51
  5. Step 5: Solve for x
    x = 550,909,478,195.51/835,579.49
  6. Step 6: Final answer
    x = 659,314.27

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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.