Home / 654,114.30-981,171.45-654,114.30

Finding the Fourth Proportional to 654,114.30, 981,171.45 and 654,114.30

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Solution

The fourth proportional to 654,114.30, 981,171.45 and 654,114.30 is: 981,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,114.30 : 981,171.45 = 654,114.30 : x
  2. Step 2: Convert to fraction form
    654,114.30/981,171.45 = 654,114.30/x
  3. Step 3: Cross multiply
    654,114.30x = 981,171.45 × 654,114.30
  4. Step 4: Simplify right side
    654,114.30x = 641,798,276,196.74
  5. Step 5: Solve for x
    x = 641,798,276,196.74/654,114.30
  6. Step 6: Final answer
    x = 981,171.45

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Half scale
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Double scale
Find fourth proportional to 654,115.30, 981,172.95 and 654,115.30
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.