Home / 743,575.68-1,026,140.88-404,043.96

Finding the Fourth Proportional to 743,575.68, 1,026,140.88 and 404,043.96

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Solution

The fourth proportional to 743,575.68, 1,026,140.88 and 404,043.96 is: 557,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,575.68 : 1,026,140.88 = 404,043.96 : x
  2. Step 2: Convert to fraction form
    743,575.68/1,026,140.88 = 404,043.96/x
  3. Step 3: Cross multiply
    743,575.68x = 1,026,140.88 × 404,043.96
  4. Step 4: Simplify right side
    743,575.68x = 414,606,024,673.09
  5. Step 5: Solve for x
    x = 414,606,024,673.09/743,575.68
  6. Step 6: Final answer
    x = 557,584.17

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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.