Home / 715,453.12-986,914.17-446,714.56

Finding the Fourth Proportional to 715,453.12, 986,914.17 and 446,714.56

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Solution

The fourth proportional to 715,453.12, 986,914.17 and 446,714.56 is: 616,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,453.12 : 986,914.17 = 446,714.56 : x
  2. Step 2: Convert to fraction form
    715,453.12/986,914.17 = 446,714.56/x
  3. Step 3: Cross multiply
    715,453.12x = 986,914.17 × 446,714.56
  4. Step 4: Simplify right side
    715,453.12x = 440,868,929,209.32
  5. Step 5: Solve for x
    x = 440,868,929,209.32/715,453.12
  6. Step 6: Final answer
    x = 616,209.39

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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.