Home / 1,088,412.70-1,632,191.85-414,135.90

Finding the Fourth Proportional to 1,088,412.70, 1,632,191.85 and 414,135.90

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Solution

The fourth proportional to 1,088,412.70, 1,632,191.85 and 414,135.90 is: 621,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,412.70 : 1,632,191.85 = 414,135.90 : x
  2. Step 2: Convert to fraction form
    1,088,412.70/1,632,191.85 = 414,135.90/x
  3. Step 3: Cross multiply
    1,088,412.70x = 1,632,191.85 × 414,135.90
  4. Step 4: Simplify right side
    1,088,412.70x = 675,949,240,772.42
  5. Step 5: Solve for x
    x = 675,949,240,772.42/1,088,412.70
  6. Step 6: Final answer
    x = 621,041.30

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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.