Home / 558,156.30-837,234.45-401,858.70

Finding the Fourth Proportional to 558,156.30, 837,234.45 and 401,858.70

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Solution

The fourth proportional to 558,156.30, 837,234.45 and 401,858.70 is: 602,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,156.30 : 837,234.45 = 401,858.70 : x
  2. Step 2: Convert to fraction form
    558,156.30/837,234.45 = 401,858.70/x
  3. Step 3: Cross multiply
    558,156.30x = 837,234.45 × 401,858.70
  4. Step 4: Simplify right side
    558,156.30x = 336,449,947,672.22
  5. Step 5: Solve for x
    x = 336,449,947,672.22/558,156.30
  6. Step 6: Final answer
    x = 602,788.05

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Similar ratio
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1.5x scale

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.