Home / 743,711.41-1,026,292.84-404,172.37

Finding the Fourth Proportional to 743,711.41, 1,026,292.84 and 404,172.37

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Solution

The fourth proportional to 743,711.41, 1,026,292.84 and 404,172.37 is: 557,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,711.41 : 1,026,292.84 = 404,172.37 : x
  2. Step 2: Convert to fraction form
    743,711.41/1,026,292.84 = 404,172.37/x
  3. Step 3: Cross multiply
    743,711.41x = 1,026,292.84 × 404,172.37
  4. Step 4: Simplify right side
    743,711.41x = 414,799,209,456.83
  5. Step 5: Solve for x
    x = 414,799,209,456.83/743,711.41
  6. Step 6: Final answer
    x = 557,742.16

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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.