Home / 676,556.62-933,648.08-404,624.51

Finding the Fourth Proportional to 676,556.62, 933,648.08 and 404,624.51

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Solution

The fourth proportional to 676,556.62, 933,648.08 and 404,624.51 is: 558,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,556.62 : 933,648.08 = 404,624.51 : x
  2. Step 2: Convert to fraction form
    676,556.62/933,648.08 = 404,624.51/x
  3. Step 3: Cross multiply
    676,556.62x = 933,648.08 × 404,624.51
  4. Step 4: Simplify right side
    676,556.62x = 377,776,895,880.81
  5. Step 5: Solve for x
    x = 377,776,895,880.81/676,556.62
  6. Step 6: Final answer
    x = 558,381.79

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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.