Home / 1,656,780.39-2,286,370.53-931,621.77

Finding the Fourth Proportional to 1,656,780.39, 2,286,370.53 and 931,621.77

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Solution

The fourth proportional to 1,656,780.39, 2,286,370.53 and 931,621.77 is: 1,285,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,780.39 : 2,286,370.53 = 931,621.77 : x
  2. Step 2: Convert to fraction form
    1,656,780.39/2,286,370.53 = 931,621.77/x
  3. Step 3: Cross multiply
    1,656,780.39x = 2,286,370.53 × 931,621.77
  4. Step 4: Simplify right side
    1,656,780.39x = 2,130,032,560,034.44
  5. Step 5: Solve for x
    x = 2,130,032,560,034.44/1,656,780.39
  6. Step 6: Final answer
    x = 1,285,645.69

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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.