Home / 798,489.89-1,101,932.72-435,929.03

Finding the Fourth Proportional to 798,489.89, 1,101,932.72 and 435,929.03

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Solution

The fourth proportional to 798,489.89, 1,101,932.72 and 435,929.03 is: 601,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,489.89 : 1,101,932.72 = 435,929.03 : x
  2. Step 2: Convert to fraction form
    798,489.89/1,101,932.72 = 435,929.03/x
  3. Step 3: Cross multiply
    798,489.89x = 1,101,932.72 × 435,929.03
  4. Step 4: Simplify right side
    798,489.89x = 480,364,461,754.86
  5. Step 5: Solve for x
    x = 480,364,461,754.86/798,489.89
  6. Step 6: Final answer
    x = 601,591.16

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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.