Home / 1,042,056.90-1,563,231.15-443,013.30

Finding the Fourth Proportional to 1,042,056.90, 1,563,231.15 and 443,013.30

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Solution

The fourth proportional to 1,042,056.90, 1,563,231.15 and 443,013.30 is: 664,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,056.90 : 1,563,231.15 = 443,013.30 : x
  2. Step 2: Convert to fraction form
    1,042,056.90/1,563,231.15 = 443,013.30/x
  3. Step 3: Cross multiply
    1,042,056.90x = 1,563,231.15 × 443,013.30
  4. Step 4: Simplify right side
    1,042,056.90x = 692,532,190,424.30
  5. Step 5: Solve for x
    x = 692,532,190,424.30/1,042,056.90
  6. Step 6: Final answer
    x = 664,581.93

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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.