Home / 1,154,844.80-1,732,238.04-313,374.68

Finding the Fourth Proportional to 1,154,844.80, 1,732,238.04 and 313,374.68

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Solution

The fourth proportional to 1,154,844.80, 1,732,238.04 and 313,374.68 is: 470,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,844.80 : 1,732,238.04 = 313,374.68 : x
  2. Step 2: Convert to fraction form
    1,154,844.80/1,732,238.04 = 313,374.68/x
  3. Step 3: Cross multiply
    1,154,844.80x = 1,732,238.04 × 313,374.68
  4. Step 4: Simplify right side
    1,154,844.80x = 542,839,538,715.95
  5. Step 5: Solve for x
    x = 542,839,538,715.95/1,154,844.80
  6. Step 6: Final answer
    x = 470,054.11

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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.