Home / 529,845.59-731,206.11-303,534.83

Finding the Fourth Proportional to 529,845.59, 731,206.11 and 303,534.83

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Solution

The fourth proportional to 529,845.59, 731,206.11 and 303,534.83 is: 418,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,845.59 : 731,206.11 = 303,534.83 : x
  2. Step 2: Convert to fraction form
    529,845.59/731,206.11 = 303,534.83/x
  3. Step 3: Cross multiply
    529,845.59x = 731,206.11 × 303,534.83
  4. Step 4: Simplify right side
    529,845.59x = 221,946,522,293.81
  5. Step 5: Solve for x
    x = 221,946,522,293.81/529,845.59
  6. Step 6: Final answer
    x = 418,889.06

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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.