Home / 1,591,440.30-2,386,898.01-511,898.85

Finding the Fourth Proportional to 1,591,440.30, 2,386,898.01 and 511,898.85

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Solution

The fourth proportional to 1,591,440.30, 2,386,898.01 and 511,898.85 is: 767,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,440.30 : 2,386,898.01 = 511,898.85 : x
  2. Step 2: Convert to fraction form
    1,591,440.30/2,386,898.01 = 511,898.85/x
  3. Step 3: Cross multiply
    1,591,440.30x = 2,386,898.01 × 511,898.85
  4. Step 4: Simplify right side
    1,591,440.30x = 1,221,850,346,386.29
  5. Step 5: Solve for x
    x = 1,221,850,346,386.29/1,591,440.30
  6. Step 6: Final answer
    x = 767,763.86

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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.