Home / 572,005.44-789,365.31-313,886.70

Finding the Fourth Proportional to 572,005.44, 789,365.31 and 313,886.70

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Solution

The fourth proportional to 572,005.44, 789,365.31 and 313,886.70 is: 433,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,005.44 : 789,365.31 = 313,886.70 : x
  2. Step 2: Convert to fraction form
    572,005.44/789,365.31 = 313,886.70/x
  3. Step 3: Cross multiply
    572,005.44x = 789,365.31 × 313,886.70
  4. Step 4: Simplify right side
    572,005.44x = 247,771,272,250.38
  5. Step 5: Solve for x
    x = 247,771,272,250.38/572,005.44
  6. Step 6: Final answer
    x = 433,162.44

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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.