Home / 558,081.20-837,121.80-334,132.40

Finding the Fourth Proportional to 558,081.20, 837,121.80 and 334,132.40

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Solution

The fourth proportional to 558,081.20, 837,121.80 and 334,132.40 is: 501,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,081.20 : 837,121.80 = 334,132.40 : x
  2. Step 2: Convert to fraction form
    558,081.20/837,121.80 = 334,132.40/x
  3. Step 3: Cross multiply
    558,081.20x = 837,121.80 × 334,132.40
  4. Step 4: Simplify right side
    558,081.20x = 279,709,516,126.32
  5. Step 5: Solve for x
    x = 279,709,516,126.32/558,081.20
  6. Step 6: Final answer
    x = 501,198.60

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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.