Home / 1,042,059.40-1,563,234.90-443,015.80

Finding the Fourth Proportional to 1,042,059.40, 1,563,234.90 and 443,015.80

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Solution

The fourth proportional to 1,042,059.40, 1,563,234.90 and 443,015.80 is: 664,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,059.40 : 1,563,234.90 = 443,015.80 : x
  2. Step 2: Convert to fraction form
    1,042,059.40/1,563,234.90 = 443,015.80/x
  3. Step 3: Cross multiply
    1,042,059.40x = 1,563,234.90 × 443,015.80
  4. Step 4: Simplify right side
    1,042,059.40x = 692,537,759,811.42
  5. Step 5: Solve for x
    x = 692,537,759,811.42/1,042,059.40
  6. Step 6: Final answer
    x = 664,585.68

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Double scale
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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.