Home / 694,423.11-958,296.83-384,326.30

Finding the Fourth Proportional to 694,423.11, 958,296.83 and 384,326.30

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Solution

The fourth proportional to 694,423.11, 958,296.83 and 384,326.30 is: 530,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,423.11 : 958,296.83 = 384,326.30 : x
  2. Step 2: Convert to fraction form
    694,423.11/958,296.83 = 384,326.30/x
  3. Step 3: Cross multiply
    694,423.11x = 958,296.83 × 384,326.30
  4. Step 4: Simplify right side
    694,423.11x = 368,298,674,975.63
  5. Step 5: Solve for x
    x = 368,298,674,975.63/694,423.11
  6. Step 6: Final answer
    x = 530,366.39

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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.