Home / 768,346.35-1,060,456.76-458,268.82

Finding the Fourth Proportional to 768,346.35, 1,060,456.76 and 458,268.82

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Solution

The fourth proportional to 768,346.35, 1,060,456.76 and 458,268.82 is: 632,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,346.35 : 1,060,456.76 = 458,268.82 : x
  2. Step 2: Convert to fraction form
    768,346.35/1,060,456.76 = 458,268.82/x
  3. Step 3: Cross multiply
    768,346.35x = 1,060,456.76 × 458,268.82
  4. Step 4: Simplify right side
    768,346.35x = 485,974,268,066.22
  5. Step 5: Solve for x
    x = 485,974,268,066.22/768,346.35
  6. Step 6: Final answer
    x = 632,493.76

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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.