Home / 906,257.07-1,250,670.90-543,548.58

Finding the Fourth Proportional to 906,257.07, 1,250,670.90 and 543,548.58

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Solution

The fourth proportional to 906,257.07, 1,250,670.90 and 543,548.58 is: 750,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,257.07 : 1,250,670.90 = 543,548.58 : x
  2. Step 2: Convert to fraction form
    906,257.07/1,250,670.90 = 543,548.58/x
  3. Step 3: Cross multiply
    906,257.07x = 1,250,670.90 × 543,548.58
  4. Step 4: Simplify right side
    906,257.07x = 679,800,391,742.32
  5. Step 5: Solve for x
    x = 679,800,391,742.32/906,257.07
  6. Step 6: Final answer
    x = 750,118.72

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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.