Home / 893,505.60-1,233,049.58-485,615.52

Finding the Fourth Proportional to 893,505.60, 1,233,049.58 and 485,615.52

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Solution

The fourth proportional to 893,505.60, 1,233,049.58 and 485,615.52 is: 670,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,505.60 : 1,233,049.58 = 485,615.52 : x
  2. Step 2: Convert to fraction form
    893,505.60/1,233,049.58 = 485,615.52/x
  3. Step 3: Cross multiply
    893,505.60x = 1,233,049.58 × 485,615.52
  4. Step 4: Simplify right side
    893,505.60x = 598,788,010,549.40
  5. Step 5: Solve for x
    x = 598,788,010,549.40/893,505.60
  6. Step 6: Final answer
    x = 670,155.86

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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.