Home / 957,100.52-1,320,788-543,634.40

Finding the Fourth Proportional to 957,100.52, 1,320,788 and 543,634.40

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Solution

The fourth proportional to 957,100.52, 1,320,788 and 543,634.40 is: 750,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,100.52 : 1,320,788 = 543,634.40 : x
  2. Step 2: Convert to fraction form
    957,100.52/1,320,788 = 543,634.40/x
  3. Step 3: Cross multiply
    957,100.52x = 1,320,788 × 543,634.40
  4. Step 4: Simplify right side
    957,100.52x = 718,025,791,907.20
  5. Step 5: Solve for x
    x = 718,025,791,907.20/957,100.52
  6. Step 6: Final answer
    x = 750,209.38

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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.