Home / 1,088,412.20-1,632,191.10-414,135.40

Finding the Fourth Proportional to 1,088,412.20, 1,632,191.10 and 414,135.40

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Solution

The fourth proportional to 1,088,412.20, 1,632,191.10 and 414,135.40 is: 621,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,412.20 : 1,632,191.10 = 414,135.40 : x
  2. Step 2: Convert to fraction form
    1,088,412.20/1,632,191.10 = 414,135.40/x
  3. Step 3: Cross multiply
    1,088,412.20x = 1,632,191.10 × 414,135.40
  4. Step 4: Simplify right side
    1,088,412.20x = 675,948,114,074.94
  5. Step 5: Solve for x
    x = 675,948,114,074.94/1,088,412.20
  6. Step 6: Final answer
    x = 621,040.55

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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.