Home / 558,043.20-837,064.80-534,423.60

Finding the Fourth Proportional to 558,043.20, 837,064.80 and 534,423.60

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Solution

The fourth proportional to 558,043.20, 837,064.80 and 534,423.60 is: 801,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,043.20 : 837,064.80 = 534,423.60 : x
  2. Step 2: Convert to fraction form
    558,043.20/837,064.80 = 534,423.60/x
  3. Step 3: Cross multiply
    558,043.20x = 837,064.80 × 534,423.60
  4. Step 4: Simplify right side
    558,043.20x = 447,347,183,849.28
  5. Step 5: Solve for x
    x = 447,347,183,849.28/558,043.20
  6. Step 6: Final answer
    x = 801,635.40

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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.