Home / 1,319,219.94-1,978,433.82-561,055.08

Finding the Fourth Proportional to 1,319,219.94, 1,978,433.82 and 561,055.08

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Solution

The fourth proportional to 1,319,219.94, 1,978,433.82 and 561,055.08 is: 841,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,219.94 : 1,978,433.82 = 561,055.08 : x
  2. Step 2: Convert to fraction form
    1,319,219.94/1,978,433.82 = 561,055.08/x
  3. Step 3: Cross multiply
    1,319,219.94x = 1,978,433.82 × 561,055.08
  4. Step 4: Simplify right side
    1,319,219.94x = 1,110,010,345,154.81
  5. Step 5: Solve for x
    x = 1,110,010,345,154.81/1,319,219.94
  6. Step 6: Final answer
    x = 841,414.17

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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.