Home / 1,205,484.16-1,808,182.36-486,136.12

Finding the Fourth Proportional to 1,205,484.16, 1,808,182.36 and 486,136.12

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Solution

The fourth proportional to 1,205,484.16, 1,808,182.36 and 486,136.12 is: 729,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,484.16 : 1,808,182.36 = 486,136.12 : x
  2. Step 2: Convert to fraction form
    1,205,484.16/1,808,182.36 = 486,136.12/x
  3. Step 3: Cross multiply
    1,205,484.16x = 1,808,182.36 × 486,136.12
  4. Step 4: Simplify right side
    1,205,484.16x = 879,022,756,742.84
  5. Step 5: Solve for x
    x = 879,022,756,742.84/1,205,484.16
  6. Step 6: Final answer
    x = 729,186.48

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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.