Home / 829,183.56-1,242,987.90-324,068.58

Finding the Fourth Proportional to 829,183.56, 1,242,987.90 and 324,068.58

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Solution

The fourth proportional to 829,183.56, 1,242,987.90 and 324,068.58 is: 485,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,183.56 : 1,242,987.90 = 324,068.58 : x
  2. Step 2: Convert to fraction form
    829,183.56/1,242,987.90 = 324,068.58/x
  3. Step 3: Cross multiply
    829,183.56x = 1,242,987.90 × 324,068.58
  4. Step 4: Simplify right side
    829,183.56x = 402,813,323,710.18
  5. Step 5: Solve for x
    x = 402,813,323,710.18/829,183.56
  6. Step 6: Final answer
    x = 485,795.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.