Home / 936,412.80-1,404,619.20-404,971.80

Finding the Fourth Proportional to 936,412.80, 1,404,619.20 and 404,971.80

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Solution

The fourth proportional to 936,412.80, 1,404,619.20 and 404,971.80 is: 607,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,412.80 : 1,404,619.20 = 404,971.80 : x
  2. Step 2: Convert to fraction form
    936,412.80/1,404,619.20 = 404,971.80/x
  3. Step 3: Cross multiply
    936,412.80x = 1,404,619.20 × 404,971.80
  4. Step 4: Simplify right side
    936,412.80x = 568,831,165,738.56
  5. Step 5: Solve for x
    x = 568,831,165,738.56/936,412.80
  6. Step 6: Final answer
    x = 607,457.70

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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.