Home / 804,073.73-1,109,657.95-481,776.91

Finding the Fourth Proportional to 804,073.73, 1,109,657.95 and 481,776.91

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Solution

The fourth proportional to 804,073.73, 1,109,657.95 and 481,776.91 is: 664,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,073.73 : 1,109,657.95 = 481,776.91 : x
  2. Step 2: Convert to fraction form
    804,073.73/1,109,657.95 = 481,776.91/x
  3. Step 3: Cross multiply
    804,073.73x = 1,109,657.95 × 481,776.91
  4. Step 4: Simplify right side
    804,073.73x = 534,607,577,103.49
  5. Step 5: Solve for x
    x = 534,607,577,103.49/804,073.73
  6. Step 6: Final answer
    x = 664,873.82

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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.