Home / 646,848.05-892,572.84-371,191.73

Finding the Fourth Proportional to 646,848.05, 892,572.84 and 371,191.73

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Solution

The fourth proportional to 646,848.05, 892,572.84 and 371,191.73 is: 512,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,848.05 : 892,572.84 = 371,191.73 : x
  2. Step 2: Convert to fraction form
    646,848.05/892,572.84 = 371,191.73/x
  3. Step 3: Cross multiply
    646,848.05x = 892,572.84 × 371,191.73
  4. Step 4: Simplify right side
    646,848.05x = 331,315,652,167.75
  5. Step 5: Solve for x
    x = 331,315,652,167.75/646,848.05
  6. Step 6: Final answer
    x = 512,200.13

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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.