Home / 1,020,161.92-1,405,590.96-675,412.96

Finding the Fourth Proportional to 1,020,161.92, 1,405,590.96 and 675,412.96

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Solution

The fourth proportional to 1,020,161.92, 1,405,590.96 and 675,412.96 is: 930,591.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,161.92 : 1,405,590.96 = 675,412.96 : x
  2. Step 2: Convert to fraction form
    1,020,161.92/1,405,590.96 = 675,412.96/x
  3. Step 3: Cross multiply
    1,020,161.92x = 1,405,590.96 × 675,412.96
  4. Step 4: Simplify right side
    1,020,161.92x = 949,354,350,842.84
  5. Step 5: Solve for x
    x = 949,354,350,842.84/1,020,161.92
  6. Step 6: Final answer
    x = 930,591.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.