Home / 579,127.68-799,188.48-324,483.84

Finding the Fourth Proportional to 579,127.68, 799,188.48 and 324,483.84

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Solution

The fourth proportional to 579,127.68, 799,188.48 and 324,483.84 is: 447,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,127.68 : 799,188.48 = 324,483.84 : x
  2. Step 2: Convert to fraction form
    579,127.68/799,188.48 = 324,483.84/x
  3. Step 3: Cross multiply
    579,127.68x = 799,188.48 × 324,483.84
  4. Step 4: Simplify right side
    579,127.68x = 259,323,746,874.16
  5. Step 5: Solve for x
    x = 259,323,746,874.16/579,127.68
  6. Step 6: Final answer
    x = 447,783.37

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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.