Home / 530,905.14-732,781.44-327,130.74

Finding the Fourth Proportional to 530,905.14, 732,781.44 and 327,130.74

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Solution

The fourth proportional to 530,905.14, 732,781.44 and 327,130.74 is: 451,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,905.14 : 732,781.44 = 327,130.74 : x
  2. Step 2: Convert to fraction form
    530,905.14/732,781.44 = 327,130.74/x
  3. Step 3: Cross multiply
    530,905.14x = 732,781.44 × 327,130.74
  4. Step 4: Simplify right side
    530,905.14x = 239,715,334,725.47
  5. Step 5: Solve for x
    x = 239,715,334,725.47/530,905.14
  6. Step 6: Final answer
    x = 451,521.97

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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.