Home / 699,996.80-1,050,772.80-434,057.60

Finding the Fourth Proportional to 699,996.80, 1,050,772.80 and 434,057.60

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Solution

The fourth proportional to 699,996.80, 1,050,772.80 and 434,057.60 is: 651,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,996.80 : 1,050,772.80 = 434,057.60 : x
  2. Step 2: Convert to fraction form
    699,996.80/1,050,772.80 = 434,057.60/x
  3. Step 3: Cross multiply
    699,996.80x = 1,050,772.80 × 434,057.60
  4. Step 4: Simplify right side
    699,996.80x = 456,095,919,713.28
  5. Step 5: Solve for x
    x = 456,095,919,713.28/699,996.80
  6. Step 6: Final answer
    x = 651,568.58

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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.