Home / 650,127.24-896,814.54-378,164.52

Finding the Fourth Proportional to 650,127.24, 896,814.54 and 378,164.52

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Solution

The fourth proportional to 650,127.24, 896,814.54 and 378,164.52 is: 521,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,127.24 : 896,814.54 = 378,164.52 : x
  2. Step 2: Convert to fraction form
    650,127.24/896,814.54 = 378,164.52/x
  3. Step 3: Cross multiply
    650,127.24x = 896,814.54 × 378,164.52
  4. Step 4: Simplify right side
    650,127.24x = 339,143,440,048.12
  5. Step 5: Solve for x
    x = 339,143,440,048.12/650,127.24
  6. Step 6: Final answer
    x = 521,657.02

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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.