Home / 1,872,089.28-2,805,589.26-791,703.72

Finding the Fourth Proportional to 1,872,089.28, 2,805,589.26 and 791,703.72

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Solution

The fourth proportional to 1,872,089.28, 2,805,589.26 and 791,703.72 is: 1,186,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,089.28 : 2,805,589.26 = 791,703.72 : x
  2. Step 2: Convert to fraction form
    1,872,089.28/2,805,589.26 = 791,703.72/x
  3. Step 3: Cross multiply
    1,872,089.28x = 2,805,589.26 × 791,703.72
  4. Step 4: Simplify right side
    1,872,089.28x = 2,221,195,453,934.05
  5. Step 5: Solve for x
    x = 2,221,195,453,934.05/1,872,089.28
  6. Step 6: Final answer
    x = 1,186,479.45

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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.