Home / 1,524,478.90-2,103,766.55-836,136.75

Finding the Fourth Proportional to 1,524,478.90, 2,103,766.55 and 836,136.75

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Solution

The fourth proportional to 1,524,478.90, 2,103,766.55 and 836,136.75 is: 1,153,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524,478.90 : 2,103,766.55 = 836,136.75 : x
  2. Step 2: Convert to fraction form
    1,524,478.90/2,103,766.55 = 836,136.75/x
  3. Step 3: Cross multiply
    1,524,478.90x = 2,103,766.55 × 836,136.75
  4. Step 4: Simplify right side
    1,524,478.90x = 1,759,036,525,875.71
  5. Step 5: Solve for x
    x = 1,759,036,525,875.71/1,524,478.90
  6. Step 6: Final answer
    x = 1,153,860.85

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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.