Home / 356,179.52-534,530.64-286,895.36

Finding the Fourth Proportional to 356,179.52, 534,530.64 and 286,895.36

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Solution

The fourth proportional to 356,179.52, 534,530.64 and 286,895.36 is: 430,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,179.52 : 534,530.64 = 286,895.36 : x
  2. Step 2: Convert to fraction form
    356,179.52/534,530.64 = 286,895.36/x
  3. Step 3: Cross multiply
    356,179.52x = 534,530.64 × 286,895.36
  4. Step 4: Simplify right side
    356,179.52x = 153,354,360,393.83
  5. Step 5: Solve for x
    x = 153,354,360,393.83/356,179.52
  6. Step 6: Final answer
    x = 430,553.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.