Home / 1,907,739.60-2,861,609.40-771,046.35

Finding the Fourth Proportional to 1,907,739.60, 2,861,609.40 and 771,046.35

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Solution

The fourth proportional to 1,907,739.60, 2,861,609.40 and 771,046.35 is: 1,156,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,739.60 : 2,861,609.40 = 771,046.35 : x
  2. Step 2: Convert to fraction form
    1,907,739.60/2,861,609.40 = 771,046.35/x
  3. Step 3: Cross multiply
    1,907,739.60x = 2,861,609.40 × 771,046.35
  4. Step 4: Simplify right side
    1,907,739.60x = 2,206,433,482,995.69
  5. Step 5: Solve for x
    x = 2,206,433,482,995.69/1,907,739.60
  6. Step 6: Final answer
    x = 1,156,569.53

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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.