Home / 951,461.80-1,313,077.98-628,605.52

Finding the Fourth Proportional to 951,461.80, 1,313,077.98 and 628,605.52

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Solution

The fourth proportional to 951,461.80, 1,313,077.98 and 628,605.52 is: 867,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,461.80 : 1,313,077.98 = 628,605.52 : x
  2. Step 2: Convert to fraction form
    951,461.80/1,313,077.98 = 628,605.52/x
  3. Step 3: Cross multiply
    951,461.80x = 1,313,077.98 × 628,605.52
  4. Step 4: Simplify right side
    951,461.80x = 825,408,066,418.45
  5. Step 5: Solve for x
    x = 825,408,066,418.45/951,461.80
  6. Step 6: Final answer
    x = 867,515.72

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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.