Home / 1,658,811.60-2,486,249.10-859,681.80

Finding the Fourth Proportional to 1,658,811.60, 2,486,249.10 and 859,681.80

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Solution

The fourth proportional to 1,658,811.60, 2,486,249.10 and 859,681.80 is: 1,288,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,811.60 : 2,486,249.10 = 859,681.80 : x
  2. Step 2: Convert to fraction form
    1,658,811.60/2,486,249.10 = 859,681.80/x
  3. Step 3: Cross multiply
    1,658,811.60x = 2,486,249.10 × 859,681.80
  4. Step 4: Simplify right side
    1,658,811.60x = 2,137,383,101,536.38
  5. Step 5: Solve for x
    x = 2,137,383,101,536.38/1,658,811.60
  6. Step 6: Final answer
    x = 1,288,502.63

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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.