Home / 593,520.51-819,059.13-321,591.36

Finding the Fourth Proportional to 593,520.51, 819,059.13 and 321,591.36

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Solution

The fourth proportional to 593,520.51, 819,059.13 and 321,591.36 is: 443,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,520.51 : 819,059.13 = 321,591.36 : x
  2. Step 2: Convert to fraction form
    593,520.51/819,059.13 = 321,591.36/x
  3. Step 3: Cross multiply
    593,520.51x = 819,059.13 × 321,591.36
  4. Step 4: Simplify right side
    593,520.51x = 263,402,339,537.12
  5. Step 5: Solve for x
    x = 263,402,339,537.12/593,520.51
  6. Step 6: Final answer
    x = 443,796.52

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Double scale
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1.5x scale

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.