Home / 402,537.04-555,553.65-259,712.56

Finding the Fourth Proportional to 402,537.04, 555,553.65 and 259,712.56

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Solution

The fourth proportional to 402,537.04, 555,553.65 and 259,712.56 is: 358,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,537.04 : 555,553.65 = 259,712.56 : x
  2. Step 2: Convert to fraction form
    402,537.04/555,553.65 = 259,712.56/x
  3. Step 3: Cross multiply
    402,537.04x = 555,553.65 × 259,712.56
  4. Step 4: Simplify right side
    402,537.04x = 144,284,260,658.84
  5. Step 5: Solve for x
    x = 144,284,260,658.84/402,537.04
  6. Step 6: Final answer
    x = 358,437.23

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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.