Home / 1,314,192.80-1,971,143.40-367,659.20

Finding the Fourth Proportional to 1,314,192.80, 1,971,143.40 and 367,659.20

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Solution

The fourth proportional to 1,314,192.80, 1,971,143.40 and 367,659.20 is: 551,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,192.80 : 1,971,143.40 = 367,659.20 : x
  2. Step 2: Convert to fraction form
    1,314,192.80/1,971,143.40 = 367,659.20/x
  3. Step 3: Cross multiply
    1,314,192.80x = 1,971,143.40 × 367,659.20
  4. Step 4: Simplify right side
    1,314,192.80x = 724,709,005,529.28
  5. Step 5: Solve for x
    x = 724,709,005,529.28/1,314,192.80
  6. Step 6: Final answer
    x = 551,448.01

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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.