Home / 529,887.02-731,228.01-300,465.25

Finding the Fourth Proportional to 529,887.02, 731,228.01 and 300,465.25

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Solution

The fourth proportional to 529,887.02, 731,228.01 and 300,465.25 is: 414,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,887.02 : 731,228.01 = 300,465.25 : x
  2. Step 2: Convert to fraction form
    529,887.02/731,228.01 = 300,465.25/x
  3. Step 3: Cross multiply
    529,887.02x = 731,228.01 × 300,465.25
  4. Step 4: Simplify right side
    529,887.02x = 219,708,603,876.84
  5. Step 5: Solve for x
    x = 219,708,603,876.84/529,887.02
  6. Step 6: Final answer
    x = 414,632.93

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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.