Home / 768,538.98-1,060,600.37-424,374.03

Finding the Fourth Proportional to 768,538.98, 1,060,600.37 and 424,374.03

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Solution

The fourth proportional to 768,538.98, 1,060,600.37 and 424,374.03 is: 585,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,538.98 : 1,060,600.37 = 424,374.03 : x
  2. Step 2: Convert to fraction form
    768,538.98/1,060,600.37 = 424,374.03/x
  3. Step 3: Cross multiply
    768,538.98x = 1,060,600.37 × 424,374.03
  4. Step 4: Simplify right side
    768,538.98x = 450,091,251,114.52
  5. Step 5: Solve for x
    x = 450,091,251,114.52/768,538.98
  6. Step 6: Final answer
    x = 585,645.31

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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.