Home / 1,412,967.08-1,949,208.72-839,601.20

Finding the Fourth Proportional to 1,412,967.08, 1,949,208.72 and 839,601.20

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Solution

The fourth proportional to 1,412,967.08, 1,949,208.72 and 839,601.20 is: 1,158,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,967.08 : 1,949,208.72 = 839,601.20 : x
  2. Step 2: Convert to fraction form
    1,412,967.08/1,949,208.72 = 839,601.20/x
  3. Step 3: Cross multiply
    1,412,967.08x = 1,949,208.72 × 839,601.20
  4. Step 4: Simplify right side
    1,412,967.08x = 1,636,557,980,362.46
  5. Step 5: Solve for x
    x = 1,636,557,980,362.46/1,412,967.08
  6. Step 6: Final answer
    x = 1,158,242.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.