Home / 686,528.70-1,029,793.05-461,996.70

Finding the Fourth Proportional to 686,528.70, 1,029,793.05 and 461,996.70

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Solution

The fourth proportional to 686,528.70, 1,029,793.05 and 461,996.70 is: 692,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,528.70 : 1,029,793.05 = 461,996.70 : x
  2. Step 2: Convert to fraction form
    686,528.70/1,029,793.05 = 461,996.70/x
  3. Step 3: Cross multiply
    686,528.70x = 1,029,793.05 × 461,996.70
  4. Step 4: Simplify right side
    686,528.70x = 475,760,990,782.94
  5. Step 5: Solve for x
    x = 475,760,990,782.94/686,528.70
  6. Step 6: Final answer
    x = 692,995.05

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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.