Home / 1,008,474.89-1,391,695.38-555,765.89

Finding the Fourth Proportional to 1,008,474.89, 1,391,695.38 and 555,765.89

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Solution

The fourth proportional to 1,008,474.89, 1,391,695.38 and 555,765.89 is: 766,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,474.89 : 1,391,695.38 = 555,765.89 : x
  2. Step 2: Convert to fraction form
    1,008,474.89/1,391,695.38 = 555,765.89/x
  3. Step 3: Cross multiply
    1,008,474.89x = 1,391,695.38 × 555,765.89
  4. Step 4: Simplify right side
    1,008,474.89x = 773,456,814,516.11
  5. Step 5: Solve for x
    x = 773,456,814,516.11/1,008,474.89
  6. Step 6: Final answer
    x = 766,956.94

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Double scale
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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.