Home / 567,053.19-782,535.33-312,403.77

Finding the Fourth Proportional to 567,053.19, 782,535.33 and 312,403.77

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Solution

The fourth proportional to 567,053.19, 782,535.33 and 312,403.77 is: 431,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,053.19 : 782,535.33 = 312,403.77 : x
  2. Step 2: Convert to fraction form
    567,053.19/782,535.33 = 312,403.77/x
  3. Step 3: Cross multiply
    567,053.19x = 782,535.33 × 312,403.77
  4. Step 4: Simplify right side
    567,053.19x = 244,466,987,250.19
  5. Step 5: Solve for x
    x = 244,466,987,250.19/567,053.19
  6. Step 6: Final answer
    x = 431,118.26

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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.