Home / 1,048,177.40-1,570,905.30-486,015.80

Finding the Fourth Proportional to 1,048,177.40, 1,570,905.30 and 486,015.80

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Solution

The fourth proportional to 1,048,177.40, 1,570,905.30 and 486,015.80 is: 728,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,177.40 : 1,570,905.30 = 486,015.80 : x
  2. Step 2: Convert to fraction form
    1,048,177.40/1,570,905.30 = 486,015.80/x
  3. Step 3: Cross multiply
    1,048,177.40x = 1,570,905.30 × 486,015.80
  4. Step 4: Simplify right side
    1,048,177.40x = 763,484,796,103.74
  5. Step 5: Solve for x
    x = 763,484,796,103.74/1,048,177.40
  6. Step 6: Final answer
    x = 728,392.73

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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.