Home / 887,191.58-1,331,168.61-288,336.26

Finding the Fourth Proportional to 887,191.58, 1,331,168.61 and 288,336.26

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Solution

The fourth proportional to 887,191.58, 1,331,168.61 and 288,336.26 is: 432,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,191.58 : 1,331,168.61 = 288,336.26 : x
  2. Step 2: Convert to fraction form
    887,191.58/1,331,168.61 = 288,336.26/x
  3. Step 3: Cross multiply
    887,191.58x = 1,331,168.61 × 288,336.26
  4. Step 4: Simplify right side
    887,191.58x = 383,824,178,436.80
  5. Step 5: Solve for x
    x = 383,824,178,436.80/887,191.58
  6. Step 6: Final answer
    x = 432,628.29

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1.5x scale

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.