Home / 695,529.60-1,040,961.60-611,548.80

Finding the Fourth Proportional to 695,529.60, 1,040,961.60 and 611,548.80

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Solution

The fourth proportional to 695,529.60, 1,040,961.60 and 611,548.80 is: 915,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,529.60 : 1,040,961.60 = 611,548.80 : x
  2. Step 2: Convert to fraction form
    695,529.60/1,040,961.60 = 611,548.80/x
  3. Step 3: Cross multiply
    695,529.60x = 1,040,961.60 × 611,548.80
  4. Step 4: Simplify right side
    695,529.60x = 636,598,817,326.08
  5. Step 5: Solve for x
    x = 636,598,817,326.08/695,529.60
  6. Step 6: Final answer
    x = 915,272.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.