Home / 558,311.10-837,466.65-345,734.70

Finding the Fourth Proportional to 558,311.10, 837,466.65 and 345,734.70

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Solution

The fourth proportional to 558,311.10, 837,466.65 and 345,734.70 is: 518,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,311.10 : 837,466.65 = 345,734.70 : x
  2. Step 2: Convert to fraction form
    558,311.10/837,466.65 = 345,734.70/x
  3. Step 3: Cross multiply
    558,311.10x = 837,466.65 × 345,734.70
  4. Step 4: Simplify right side
    558,311.10x = 289,541,280,997.76
  5. Step 5: Solve for x
    x = 289,541,280,997.76/558,311.10
  6. Step 6: Final answer
    x = 518,602.05

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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.