Home / 743,997.50-1,026,725.16-412,860.22

Finding the Fourth Proportional to 743,997.50, 1,026,725.16 and 412,860.22

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Solution

The fourth proportional to 743,997.50, 1,026,725.16 and 412,860.22 is: 569,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,997.50 : 1,026,725.16 = 412,860.22 : x
  2. Step 2: Convert to fraction form
    743,997.50/1,026,725.16 = 412,860.22/x
  3. Step 3: Cross multiply
    743,997.50x = 1,026,725.16 × 412,860.22
  4. Step 4: Simplify right side
    743,997.50x = 423,893,975,437.14
  5. Step 5: Solve for x
    x = 423,893,975,437.14/743,997.50
  6. Step 6: Final answer
    x = 569,751.88

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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.