Home / 530,441.22-732,024.68-326,609.76

Finding the Fourth Proportional to 530,441.22, 732,024.68 and 326,609.76

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Solution

The fourth proportional to 530,441.22, 732,024.68 and 326,609.76 is: 450,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,441.22 : 732,024.68 = 326,609.76 : x
  2. Step 2: Convert to fraction form
    530,441.22/732,024.68 = 326,609.76/x
  3. Step 3: Cross multiply
    530,441.22x = 732,024.68 × 326,609.76
  4. Step 4: Simplify right side
    530,441.22x = 239,086,405,048.88
  5. Step 5: Solve for x
    x = 239,086,405,048.88/530,441.22
  6. Step 6: Final answer
    x = 450,731.20

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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.