Home / 684,027.59-944,051.84-393,633.19

Finding the Fourth Proportional to 684,027.59, 944,051.84 and 393,633.19

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Solution

The fourth proportional to 684,027.59, 944,051.84 and 393,633.19 is: 543,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,027.59 : 944,051.84 = 393,633.19 : x
  2. Step 2: Convert to fraction form
    684,027.59/944,051.84 = 393,633.19/x
  3. Step 3: Cross multiply
    684,027.59x = 944,051.84 × 393,633.19
  4. Step 4: Simplify right side
    684,027.59x = 371,610,137,304.57
  5. Step 5: Solve for x
    x = 371,610,137,304.57/684,027.59
  6. Step 6: Final answer
    x = 543,267.76

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Half scale
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Double scale
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Similar ratio
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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.