Home / 695,318.34-1,042,977.51-379,603.02

Finding the Fourth Proportional to 695,318.34, 1,042,977.51 and 379,603.02

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Solution

The fourth proportional to 695,318.34, 1,042,977.51 and 379,603.02 is: 569,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,318.34 : 1,042,977.51 = 379,603.02 : x
  2. Step 2: Convert to fraction form
    695,318.34/1,042,977.51 = 379,603.02/x
  3. Step 3: Cross multiply
    695,318.34x = 1,042,977.51 × 379,603.02
  4. Step 4: Simplify right side
    695,318.34x = 395,917,412,588.08
  5. Step 5: Solve for x
    x = 395,917,412,588.08/695,318.34
  6. Step 6: Final answer
    x = 569,404.53

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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.