Home / 530,440.72-732,023.98-326,609.24

Finding the Fourth Proportional to 530,440.72, 732,023.98 and 326,609.24

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Solution

The fourth proportional to 530,440.72, 732,023.98 and 326,609.24 is: 450,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,440.72 : 732,023.98 = 326,609.24 : x
  2. Step 2: Convert to fraction form
    530,440.72/732,023.98 = 326,609.24/x
  3. Step 3: Cross multiply
    530,440.72x = 732,023.98 × 326,609.24
  4. Step 4: Simplify right side
    530,440.72x = 239,085,795,769.58
  5. Step 5: Solve for x
    x = 239,085,795,769.58/530,440.72
  6. Step 6: Final answer
    x = 450,730.47

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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.