Home / 718,641.60-1,077,965.60-186,124.80

Finding the Fourth Proportional to 718,641.60, 1,077,965.60 and 186,124.80

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Solution

The fourth proportional to 718,641.60, 1,077,965.60 and 186,124.80 is: 279,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,641.60 : 1,077,965.60 = 186,124.80 : x
  2. Step 2: Convert to fraction form
    718,641.60/1,077,965.60 = 186,124.80/x
  3. Step 3: Cross multiply
    718,641.60x = 1,077,965.60 × 186,124.80
  4. Step 4: Simplify right side
    718,641.60x = 200,636,131,706.88
  5. Step 5: Solve for x
    x = 200,636,131,706.88/718,641.60
  6. Step 6: Final answer
    x = 279,188.03

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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.