Home / 525,108.81-724,607.10-295,592.73

Finding the Fourth Proportional to 525,108.81, 724,607.10 and 295,592.73

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Solution

The fourth proportional to 525,108.81, 724,607.10 and 295,592.73 is: 407,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,108.81 : 724,607.10 = 295,592.73 : x
  2. Step 2: Convert to fraction form
    525,108.81/724,607.10 = 295,592.73/x
  3. Step 3: Cross multiply
    525,108.81x = 724,607.10 × 295,592.73
  4. Step 4: Simplify right side
    525,108.81x = 214,188,590,866.38
  5. Step 5: Solve for x
    x = 214,188,590,866.38/525,108.81
  6. Step 6: Final answer
    x = 407,893.73

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Half scale
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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.