Home / 466,834.37-643,456.95-330,693.62

Finding the Fourth Proportional to 466,834.37, 643,456.95 and 330,693.62

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Solution

The fourth proportional to 466,834.37, 643,456.95 and 330,693.62 is: 455,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,834.37 : 643,456.95 = 330,693.62 : x
  2. Step 2: Convert to fraction form
    466,834.37/643,456.95 = 330,693.62/x
  3. Step 3: Cross multiply
    466,834.37x = 643,456.95 × 330,693.62
  4. Step 4: Simplify right side
    466,834.37x = 212,787,104,892.37
  5. Step 5: Solve for x
    x = 212,787,104,892.37/466,834.37
  6. Step 6: Final answer
    x = 455,808.57

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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.