Home / 1,011,483.80-1,517,972.24-479,003.84

Finding the Fourth Proportional to 1,011,483.80, 1,517,972.24 and 479,003.84

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Solution

The fourth proportional to 1,011,483.80, 1,517,972.24 and 479,003.84 is: 718,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,483.80 : 1,517,972.24 = 479,003.84 : x
  2. Step 2: Convert to fraction form
    1,011,483.80/1,517,972.24 = 479,003.84/x
  3. Step 3: Cross multiply
    1,011,483.80x = 1,517,972.24 × 479,003.84
  4. Step 4: Simplify right side
    1,011,483.80x = 727,114,531,973.40
  5. Step 5: Solve for x
    x = 727,114,531,973.40/1,011,483.80
  6. Step 6: Final answer
    x = 718,859.30

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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.