Home / 684,023.59-944,046.32-393,629.19

Finding the Fourth Proportional to 684,023.59, 944,046.32 and 393,629.19

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Solution

The fourth proportional to 684,023.59, 944,046.32 and 393,629.19 is: 543,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,023.59 : 944,046.32 = 393,629.19 : x
  2. Step 2: Convert to fraction form
    684,023.59/944,046.32 = 393,629.19/x
  3. Step 3: Cross multiply
    684,023.59x = 944,046.32 × 393,629.19
  4. Step 4: Simplify right side
    684,023.59x = 371,604,188,264.08
  5. Step 5: Solve for x
    x = 371,604,188,264.08/684,023.59
  6. Step 6: Final answer
    x = 543,262.24

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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.