Home / 529,826.37-731,174.24-288,123.08

Finding the Fourth Proportional to 529,826.37, 731,174.24 and 288,123.08

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Solution

The fourth proportional to 529,826.37, 731,174.24 and 288,123.08 is: 397,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,826.37 : 731,174.24 = 288,123.08 : x
  2. Step 2: Convert to fraction form
    529,826.37/731,174.24 = 288,123.08/x
  3. Step 3: Cross multiply
    529,826.37x = 731,174.24 × 288,123.08
  4. Step 4: Simplify right side
    529,826.37x = 210,668,171,109.90
  5. Step 5: Solve for x
    x = 210,668,171,109.90/529,826.37
  6. Step 6: Final answer
    x = 397,617.38

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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.