Home / 467,475.52-645,541.10-352,557.32

Finding the Fourth Proportional to 467,475.52, 645,541.10 and 352,557.32

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Solution

The fourth proportional to 467,475.52, 645,541.10 and 352,557.32 is: 486,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,475.52 : 645,541.10 = 352,557.32 : x
  2. Step 2: Convert to fraction form
    467,475.52/645,541.10 = 352,557.32/x
  3. Step 3: Cross multiply
    467,475.52x = 645,541.10 × 352,557.32
  4. Step 4: Simplify right side
    467,475.52x = 227,590,240,165.85
  5. Step 5: Solve for x
    x = 227,590,240,165.85/467,475.52
  6. Step 6: Final answer
    x = 486,849.54

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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.