Home / 1,395,611.40-2,093,417.10-344,987.40

Finding the Fourth Proportional to 1,395,611.40, 2,093,417.10 and 344,987.40

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Solution

The fourth proportional to 1,395,611.40, 2,093,417.10 and 344,987.40 is: 517,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,611.40 : 2,093,417.10 = 344,987.40 : x
  2. Step 2: Convert to fraction form
    1,395,611.40/2,093,417.10 = 344,987.40/x
  3. Step 3: Cross multiply
    1,395,611.40x = 2,093,417.10 × 344,987.40
  4. Step 4: Simplify right side
    1,395,611.40x = 722,202,522,444.54
  5. Step 5: Solve for x
    x = 722,202,522,444.54/1,395,611.40
  6. Step 6: Final answer
    x = 517,481.10

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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.