Home / 1,042,257.90-1,562,220.45-443,117.10

Finding the Fourth Proportional to 1,042,257.90, 1,562,220.45 and 443,117.10

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Solution

The fourth proportional to 1,042,257.90, 1,562,220.45 and 443,117.10 is: 664,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,257.90 : 1,562,220.45 = 443,117.10 : x
  2. Step 2: Convert to fraction form
    1,042,257.90/1,562,220.45 = 443,117.10/x
  3. Step 3: Cross multiply
    1,042,257.90x = 1,562,220.45 × 443,117.10
  4. Step 4: Simplify right side
    1,042,257.90x = 692,246,595,364.70
  5. Step 5: Solve for x
    x = 692,246,595,364.70/1,042,257.90
  6. Step 6: Final answer
    x = 664,179.75

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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.