Home / 931,667.21-1,285,746.36-523,897.43

Finding the Fourth Proportional to 931,667.21, 1,285,746.36 and 523,897.43

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Solution

The fourth proportional to 931,667.21, 1,285,746.36 and 523,897.43 is: 723,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,667.21 : 1,285,746.36 = 523,897.43 : x
  2. Step 2: Convert to fraction form
    931,667.21/1,285,746.36 = 523,897.43/x
  3. Step 3: Cross multiply
    931,667.21x = 1,285,746.36 × 523,897.43
  4. Step 4: Simplify right side
    931,667.21x = 673,599,213,635.86
  5. Step 5: Solve for x
    x = 673,599,213,635.86/931,667.21
  6. Step 6: Final answer
    x = 723,004.10

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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.