Home / 414,417.13-621,623.64-358,084.79

Finding the Fourth Proportional to 414,417.13, 621,623.64 and 358,084.79

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Solution

The fourth proportional to 414,417.13, 621,623.64 and 358,084.79 is: 537,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,417.13 : 621,623.64 = 358,084.79 : x
  2. Step 2: Convert to fraction form
    414,417.13/621,623.64 = 358,084.79/x
  3. Step 3: Cross multiply
    414,417.13x = 621,623.64 × 358,084.79
  4. Step 4: Simplify right side
    414,417.13x = 222,593,971,895.43
  5. Step 5: Solve for x
    x = 222,593,971,895.43/414,417.13
  6. Step 6: Final answer
    x = 537,125.42

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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.