Home / 1,109,926.80-1,664,161.20-435,601.80

Finding the Fourth Proportional to 1,109,926.80, 1,664,161.20 and 435,601.80

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Solution

The fourth proportional to 1,109,926.80, 1,664,161.20 and 435,601.80 is: 653,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,926.80 : 1,664,161.20 = 435,601.80 : x
  2. Step 2: Convert to fraction form
    1,109,926.80/1,664,161.20 = 435,601.80/x
  3. Step 3: Cross multiply
    1,109,926.80x = 1,664,161.20 × 435,601.80
  4. Step 4: Simplify right side
    1,109,926.80x = 724,911,614,210.16
  5. Step 5: Solve for x
    x = 724,911,614,210.16/1,109,926.80
  6. Step 6: Final answer
    x = 653,116.60

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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.