Home / 446,937.10-670,405.65-443,826.70

Finding the Fourth Proportional to 446,937.10, 670,405.65 and 443,826.70

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Solution

The fourth proportional to 446,937.10, 670,405.65 and 443,826.70 is: 665,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,937.10 : 670,405.65 = 443,826.70 : x
  2. Step 2: Convert to fraction form
    446,937.10/670,405.65 = 443,826.70/x
  3. Step 3: Cross multiply
    446,937.10x = 670,405.65 × 443,826.70
  4. Step 4: Simplify right side
    446,937.10x = 297,543,927,300.86
  5. Step 5: Solve for x
    x = 297,543,927,300.86/446,937.10
  6. Step 6: Final answer
    x = 665,740.05

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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.