Home / 695,316.09-1,042,974.14-379,600.77

Finding the Fourth Proportional to 695,316.09, 1,042,974.14 and 379,600.77

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Solution

The fourth proportional to 695,316.09, 1,042,974.14 and 379,600.77 is: 569,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,316.09 : 1,042,974.14 = 379,600.77 : x
  2. Step 2: Convert to fraction form
    695,316.09/1,042,974.14 = 379,600.77/x
  3. Step 3: Cross multiply
    695,316.09x = 1,042,974.14 × 379,600.77
  4. Step 4: Simplify right side
    695,316.09x = 395,913,784,736.08
  5. Step 5: Solve for x
    x = 395,913,784,736.08/695,316.09
  6. Step 6: Final answer
    x = 569,401.16

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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.