Home / 558,218.70-837,328.05-536,445.90

Finding the Fourth Proportional to 558,218.70, 837,328.05 and 536,445.90

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Solution

The fourth proportional to 558,218.70, 837,328.05 and 536,445.90 is: 804,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,218.70 : 837,328.05 = 536,445.90 : x
  2. Step 2: Convert to fraction form
    558,218.70/837,328.05 = 536,445.90/x
  3. Step 3: Cross multiply
    558,218.70x = 837,328.05 × 536,445.90
  4. Step 4: Simplify right side
    558,218.70x = 449,181,199,377.50
  5. Step 5: Solve for x
    x = 449,181,199,377.50/558,218.70
  6. Step 6: Final answer
    x = 804,668.85

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Double scale
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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.