Home / 1,022,667.81-1,534,001.67-312,695.79

Finding the Fourth Proportional to 1,022,667.81, 1,534,001.67 and 312,695.79

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Solution

The fourth proportional to 1,022,667.81, 1,534,001.67 and 312,695.79 is: 469,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,667.81 : 1,534,001.67 = 312,695.79 : x
  2. Step 2: Convert to fraction form
    1,022,667.81/1,534,001.67 = 312,695.79/x
  3. Step 3: Cross multiply
    1,022,667.81x = 1,534,001.67 × 312,695.79
  4. Step 4: Simplify right side
    1,022,667.81x = 479,675,864,061.97
  5. Step 5: Solve for x
    x = 479,675,864,061.97/1,022,667.81
  6. Step 6: Final answer
    x = 469,043.67

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.