Home / 684,022.59-944,044.94-393,628.19

Finding the Fourth Proportional to 684,022.59, 944,044.94 and 393,628.19

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Solution

The fourth proportional to 684,022.59, 944,044.94 and 393,628.19 is: 543,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,022.59 : 944,044.94 = 393,628.19 : x
  2. Step 2: Convert to fraction form
    684,022.59/944,044.94 = 393,628.19/x
  3. Step 3: Cross multiply
    684,022.59x = 944,044.94 × 393,628.19
  4. Step 4: Simplify right side
    684,022.59x = 371,602,697,274.70
  5. Step 5: Solve for x
    x = 371,602,697,274.70/684,022.59
  6. Step 6: Final answer
    x = 543,260.86

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Double scale
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1.5x scale

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.