Home / 1,213,164.93-1,819,681.74-371,719.11

Finding the Fourth Proportional to 1,213,164.93, 1,819,681.74 and 371,719.11

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Solution

The fourth proportional to 1,213,164.93, 1,819,681.74 and 371,719.11 is: 557,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,164.93 : 1,819,681.74 = 371,719.11 : x
  2. Step 2: Convert to fraction form
    1,213,164.93/1,819,681.74 = 371,719.11/x
  3. Step 3: Cross multiply
    1,213,164.93x = 1,819,681.74 × 371,719.11
  4. Step 4: Simplify right side
    1,213,164.93x = 676,410,476,876.05
  5. Step 5: Solve for x
    x = 676,410,476,876.05/1,213,164.93
  6. Step 6: Final answer
    x = 557,558.55

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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.