Home / 634,564.81-951,373.77-381,786.09

Finding the Fourth Proportional to 634,564.81, 951,373.77 and 381,786.09

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Solution

The fourth proportional to 634,564.81, 951,373.77 and 381,786.09 is: 572,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,564.81 : 951,373.77 = 381,786.09 : x
  2. Step 2: Convert to fraction form
    634,564.81/951,373.77 = 381,786.09/x
  3. Step 3: Cross multiply
    634,564.81x = 951,373.77 × 381,786.09
  4. Step 4: Simplify right side
    634,564.81x = 363,221,271,776.86
  5. Step 5: Solve for x
    x = 363,221,271,776.86/634,564.81
  6. Step 6: Final answer
    x = 572,394.29

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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.