Home / 593,651.70-819,240.03-321,719.57

Finding the Fourth Proportional to 593,651.70, 819,240.03 and 321,719.57

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Solution

The fourth proportional to 593,651.70, 819,240.03 and 321,719.57 is: 443,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,651.70 : 819,240.03 = 321,719.57 : x
  2. Step 2: Convert to fraction form
    593,651.70/819,240.03 = 321,719.57/x
  3. Step 3: Cross multiply
    593,651.70x = 819,240.03 × 321,719.57
  4. Step 4: Simplify right side
    593,651.70x = 263,565,555,294.74
  5. Step 5: Solve for x
    x = 263,565,555,294.74/593,651.70
  6. Step 6: Final answer
    x = 443,973.39

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Double scale
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Similar ratio
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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.