Home / 563,051.26-777,023.37-321,329.02

Finding the Fourth Proportional to 563,051.26, 777,023.37 and 321,329.02

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Solution

The fourth proportional to 563,051.26, 777,023.37 and 321,329.02 is: 443,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,051.26 : 777,023.37 = 321,329.02 : x
  2. Step 2: Convert to fraction form
    563,051.26/777,023.37 = 321,329.02/x
  3. Step 3: Cross multiply
    563,051.26x = 777,023.37 × 321,329.02
  4. Step 4: Simplify right side
    563,051.26x = 249,680,157,999.20
  5. Step 5: Solve for x
    x = 249,680,157,999.20/563,051.26
  6. Step 6: Final answer
    x = 443,441.26

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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.