Home / 830,285.19-1,244,459.97-381,053.52

Finding the Fourth Proportional to 830,285.19, 1,244,459.97 and 381,053.52

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Solution

The fourth proportional to 830,285.19, 1,244,459.97 and 381,053.52 is: 571,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,285.19 : 1,244,459.97 = 381,053.52 : x
  2. Step 2: Convert to fraction form
    830,285.19/1,244,459.97 = 381,053.52/x
  3. Step 3: Cross multiply
    830,285.19x = 1,244,459.97 × 381,053.52
  4. Step 4: Simplify right side
    830,285.19x = 474,205,852,067.59
  5. Step 5: Solve for x
    x = 474,205,852,067.59/830,285.19
  6. Step 6: Final answer
    x = 571,136.11

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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.