Home / 1,926,739.56-2,890,258.78-578,796.68

Finding the Fourth Proportional to 1,926,739.56, 2,890,258.78 and 578,796.68

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Solution

The fourth proportional to 1,926,739.56, 2,890,258.78 and 578,796.68 is: 868,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,739.56 : 2,890,258.78 = 578,796.68 : x
  2. Step 2: Convert to fraction form
    1,926,739.56/2,890,258.78 = 578,796.68/x
  3. Step 3: Cross multiply
    1,926,739.56x = 2,890,258.78 × 578,796.68
  4. Step 4: Simplify right side
    1,926,739.56x = 1,672,872,186,204.85
  5. Step 5: Solve for x
    x = 1,672,872,186,204.85/1,926,739.56
  6. Step 6: Final answer
    x = 868,239.91

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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.