Home / 893,069.28-1,232,430.48-485,167.80

Finding the Fourth Proportional to 893,069.28, 1,232,430.48 and 485,167.80

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Solution

The fourth proportional to 893,069.28, 1,232,430.48 and 485,167.80 is: 669,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,069.28 : 1,232,430.48 = 485,167.80 : x
  2. Step 2: Convert to fraction form
    893,069.28/1,232,430.48 = 485,167.80/x
  3. Step 3: Cross multiply
    893,069.28x = 1,232,430.48 × 485,167.80
  4. Step 4: Simplify right side
    893,069.28x = 597,935,584,634.54
  5. Step 5: Solve for x
    x = 597,935,584,634.54/893,069.28
  6. Step 6: Final answer
    x = 669,528.78

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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.