Home / 1,299,870.54-1,793,787.66-719,115.12

Finding the Fourth Proportional to 1,299,870.54, 1,793,787.66 and 719,115.12

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Solution

The fourth proportional to 1,299,870.54, 1,793,787.66 and 719,115.12 is: 992,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,870.54 : 1,793,787.66 = 719,115.12 : x
  2. Step 2: Convert to fraction form
    1,299,870.54/1,793,787.66 = 719,115.12/x
  3. Step 3: Cross multiply
    1,299,870.54x = 1,793,787.66 × 719,115.12
  4. Step 4: Simplify right side
    1,299,870.54x = 1,289,939,828,375.42
  5. Step 5: Solve for x
    x = 1,289,939,828,375.42/1,299,870.54
  6. Step 6: Final answer
    x = 992,360.23

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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.