Home / 1,088,133.01-1,632,197.42-289,415.40

Finding the Fourth Proportional to 1,088,133.01, 1,632,197.42 and 289,415.40

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Solution

The fourth proportional to 1,088,133.01, 1,632,197.42 and 289,415.40 is: 434,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,133.01 : 1,632,197.42 = 289,415.40 : x
  2. Step 2: Convert to fraction form
    1,088,133.01/1,632,197.42 = 289,415.40/x
  3. Step 3: Cross multiply
    1,088,133.01x = 1,632,197.42 × 289,415.40
  4. Step 4: Simplify right side
    1,088,133.01x = 472,383,062,705.76
  5. Step 5: Solve for x
    x = 472,383,062,705.76/1,088,133.01
  6. Step 6: Final answer
    x = 434,122.54

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Half scale
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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.