Home / 715,453.10-986,914.18-446,714.54

Finding the Fourth Proportional to 715,453.10, 986,914.18 and 446,714.54

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Solution

The fourth proportional to 715,453.10, 986,914.18 and 446,714.54 is: 616,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,453.10 : 986,914.18 = 446,714.54 : x
  2. Step 2: Convert to fraction form
    715,453.10/986,914.18 = 446,714.54/x
  3. Step 3: Cross multiply
    715,453.10x = 986,914.18 × 446,714.54
  4. Step 4: Simplify right side
    715,453.10x = 440,868,913,938.18
  5. Step 5: Solve for x
    x = 440,868,913,938.18/715,453.10
  6. Step 6: Final answer
    x = 616,209.38

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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.