Home / 1,181,125.40-1,771,457.70-382,213.40

Finding the Fourth Proportional to 1,181,125.40, 1,771,457.70 and 382,213.40

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Solution

The fourth proportional to 1,181,125.40, 1,771,457.70 and 382,213.40 is: 573,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,125.40 : 1,771,457.70 = 382,213.40 : x
  2. Step 2: Convert to fraction form
    1,181,125.40/1,771,457.70 = 382,213.40/x
  3. Step 3: Cross multiply
    1,181,125.40x = 1,771,457.70 × 382,213.40
  4. Step 4: Simplify right side
    1,181,125.40x = 677,074,870,473.18
  5. Step 5: Solve for x
    x = 677,074,870,473.18/1,181,125.40
  6. Step 6: Final answer
    x = 573,245.54

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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.