Home / 694,746.96-958,446.48-408,137.76

Finding the Fourth Proportional to 694,746.96, 958,446.48 and 408,137.76

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Solution

The fourth proportional to 694,746.96, 958,446.48 and 408,137.76 is: 563,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,746.96 : 958,446.48 = 408,137.76 : x
  2. Step 2: Convert to fraction form
    694,746.96/958,446.48 = 408,137.76/x
  3. Step 3: Cross multiply
    694,746.96x = 958,446.48 × 408,137.76
  4. Step 4: Simplify right side
    694,746.96x = 391,178,199,427.09
  5. Step 5: Solve for x
    x = 391,178,199,427.09/694,746.96
  6. Step 6: Final answer
    x = 563,051.33

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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.