Home / 945,434.50-1,418,164.10-314,348.31

Finding the Fourth Proportional to 945,434.50, 1,418,164.10 and 314,348.31

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Solution

The fourth proportional to 945,434.50, 1,418,164.10 and 314,348.31 is: 471,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,434.50 : 1,418,164.10 = 314,348.31 : x
  2. Step 2: Convert to fraction form
    945,434.50/1,418,164.10 = 314,348.31/x
  3. Step 3: Cross multiply
    945,434.50x = 1,418,164.10 × 314,348.31
  4. Step 4: Simplify right side
    945,434.50x = 445,797,488,137.67
  5. Step 5: Solve for x
    x = 445,797,488,137.67/945,434.50
  6. Step 6: Final answer
    x = 471,526.57

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.