Home / 767,568.80-1,150,316.40-514,128.80

Finding the Fourth Proportional to 767,568.80, 1,150,316.40 and 514,128.80

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Solution

The fourth proportional to 767,568.80, 1,150,316.40 and 514,128.80 is: 770,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,568.80 : 1,150,316.40 = 514,128.80 : x
  2. Step 2: Convert to fraction form
    767,568.80/1,150,316.40 = 514,128.80/x
  3. Step 3: Cross multiply
    767,568.80x = 1,150,316.40 × 514,128.80
  4. Step 4: Simplify right side
    767,568.80x = 591,410,790,352.32
  5. Step 5: Solve for x
    x = 591,410,790,352.32/767,568.80
  6. Step 6: Final answer
    x = 770,498.74

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Double scale
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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.