Home / 804,930.76-1,110,809.70-442,384.48

Finding the Fourth Proportional to 804,930.76, 1,110,809.70 and 442,384.48

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Solution

The fourth proportional to 804,930.76, 1,110,809.70 and 442,384.48 is: 610,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,930.76 : 1,110,809.70 = 442,384.48 : x
  2. Step 2: Convert to fraction form
    804,930.76/1,110,809.70 = 442,384.48/x
  3. Step 3: Cross multiply
    804,930.76x = 1,110,809.70 × 442,384.48
  4. Step 4: Simplify right side
    804,930.76x = 491,404,971,513.46
  5. Step 5: Solve for x
    x = 491,404,971,513.46/804,930.76
  6. Step 6: Final answer
    x = 610,493.47

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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.