Home / 945,770.40-1,418,785.20-346,586.40

Finding the Fourth Proportional to 945,770.40, 1,418,785.20 and 346,586.40

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Solution

The fourth proportional to 945,770.40, 1,418,785.20 and 346,586.40 is: 519,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,770.40 : 1,418,785.20 = 346,586.40 : x
  2. Step 2: Convert to fraction form
    945,770.40/1,418,785.20 = 346,586.40/x
  3. Step 3: Cross multiply
    945,770.40x = 1,418,785.20 × 346,586.40
  4. Step 4: Simplify right side
    945,770.40x = 491,731,654,841.28
  5. Step 5: Solve for x
    x = 491,731,654,841.28/945,770.40
  6. Step 6: Final answer
    x = 519,927.09

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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.