Home / 767,531.63-1,059,194.67-423,359.84

Finding the Fourth Proportional to 767,531.63, 1,059,194.67 and 423,359.84

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Solution

The fourth proportional to 767,531.63, 1,059,194.67 and 423,359.84 is: 584,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,531.63 : 1,059,194.67 = 423,359.84 : x
  2. Step 2: Convert to fraction form
    767,531.63/1,059,194.67 = 423,359.84/x
  3. Step 3: Cross multiply
    767,531.63x = 1,059,194.67 × 423,359.84
  4. Step 4: Simplify right side
    767,531.63x = 448,420,486,020.05
  5. Step 5: Solve for x
    x = 448,420,486,020.05/767,531.63
  6. Step 6: Final answer
    x = 584,237.14

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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.