Home / 1,289,535.40-1,933,842.30-579,903.40

Finding the Fourth Proportional to 1,289,535.40, 1,933,842.30 and 579,903.40

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Solution

The fourth proportional to 1,289,535.40, 1,933,842.30 and 579,903.40 is: 869,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,535.40 : 1,933,842.30 = 579,903.40 : x
  2. Step 2: Convert to fraction form
    1,289,535.40/1,933,842.30 = 579,903.40/x
  3. Step 3: Cross multiply
    1,289,535.40x = 1,933,842.30 × 579,903.40
  4. Step 4: Simplify right side
    1,289,535.40x = 1,121,441,724,833.82
  5. Step 5: Solve for x
    x = 1,121,441,724,833.82/1,289,535.40
  6. Step 6: Final answer
    x = 869,647.88

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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.