Home / 529,927.24-731,083.86-300,436.12

Finding the Fourth Proportional to 529,927.24, 731,083.86 and 300,436.12

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Solution

The fourth proportional to 529,927.24, 731,083.86 and 300,436.12 is: 414,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,927.24 : 731,083.86 = 300,436.12 : x
  2. Step 2: Convert to fraction form
    529,927.24/731,083.86 = 300,436.12/x
  3. Step 3: Cross multiply
    529,927.24x = 731,083.86 × 300,436.12
  4. Step 4: Simplify right side
    529,927.24x = 219,643,998,293.02
  5. Step 5: Solve for x
    x = 219,643,998,293.02/529,927.24
  6. Step 6: Final answer
    x = 414,479.54

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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.