Home / 1,258,543.28-1,886,550.83-404,987.60

Finding the Fourth Proportional to 1,258,543.28, 1,886,550.83 and 404,987.60

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Solution

The fourth proportional to 1,258,543.28, 1,886,550.83 and 404,987.60 is: 607,074.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,543.28 : 1,886,550.83 = 404,987.60 : x
  2. Step 2: Convert to fraction form
    1,258,543.28/1,886,550.83 = 404,987.60/x
  3. Step 3: Cross multiply
    1,258,543.28x = 1,886,550.83 × 404,987.60
  4. Step 4: Simplify right side
    1,258,543.28x = 764,029,692,919.71
  5. Step 5: Solve for x
    x = 764,029,692,919.71/1,258,543.28
  6. Step 6: Final answer
    x = 607,074.63

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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.