Home / 1,915,215.60-2,872,823.40-970,431.60

Finding the Fourth Proportional to 1,915,215.60, 2,872,823.40 and 970,431.60

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Solution

The fourth proportional to 1,915,215.60, 2,872,823.40 and 970,431.60 is: 1,455,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,215.60 : 2,872,823.40 = 970,431.60 : x
  2. Step 2: Convert to fraction form
    1,915,215.60/2,872,823.40 = 970,431.60/x
  3. Step 3: Cross multiply
    1,915,215.60x = 2,872,823.40 × 970,431.60
  4. Step 4: Simplify right side
    1,915,215.60x = 2,787,878,608,579.44
  5. Step 5: Solve for x
    x = 2,787,878,608,579.44/1,915,215.60
  6. Step 6: Final answer
    x = 1,455,647.40

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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.