Home / 572,377.36-789,917.58-330,670.12

Finding the Fourth Proportional to 572,377.36, 789,917.58 and 330,670.12

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Solution

The fourth proportional to 572,377.36, 789,917.58 and 330,670.12 is: 456,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,377.36 : 789,917.58 = 330,670.12 : x
  2. Step 2: Convert to fraction form
    572,377.36/789,917.58 = 330,670.12/x
  3. Step 3: Cross multiply
    572,377.36x = 789,917.58 × 330,670.12
  4. Step 4: Simplify right side
    572,377.36x = 261,202,140,968.71
  5. Step 5: Solve for x
    x = 261,202,140,968.71/572,377.36
  6. Step 6: Final answer
    x = 456,346.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.