Home / 1,312,446.36-1,968,833.72-513,624.72

Finding the Fourth Proportional to 1,312,446.36, 1,968,833.72 and 513,624.72

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Solution

The fourth proportional to 1,312,446.36, 1,968,833.72 and 513,624.72 is: 770,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,446.36 : 1,968,833.72 = 513,624.72 : x
  2. Step 2: Convert to fraction form
    1,312,446.36/1,968,833.72 = 513,624.72/x
  3. Step 3: Cross multiply
    1,312,446.36x = 1,968,833.72 × 513,624.72
  4. Step 4: Simplify right side
    1,312,446.36x = 1,011,241,668,161.56
  5. Step 5: Solve for x
    x = 1,011,241,668,161.56/1,312,446.36
  6. Step 6: Final answer
    x = 770,501.33

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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.