Home / 804,989.02-1,110,911.48-442,425.73

Finding the Fourth Proportional to 804,989.02, 1,110,911.48 and 442,425.73

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Solution

The fourth proportional to 804,989.02, 1,110,911.48 and 442,425.73 is: 610,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,989.02 : 1,110,911.48 = 442,425.73 : x
  2. Step 2: Convert to fraction form
    804,989.02/1,110,911.48 = 442,425.73/x
  3. Step 3: Cross multiply
    804,989.02x = 1,110,911.48 × 442,425.73
  4. Step 4: Simplify right side
    804,989.02x = 491,495,822,504.38
  5. Step 5: Solve for x
    x = 491,495,822,504.38/804,989.02
  6. Step 6: Final answer
    x = 610,562.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.