Home / 1,120,336.80-1,681,161.30-410,436.60

Finding the Fourth Proportional to 1,120,336.80, 1,681,161.30 and 410,436.60

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Solution

The fourth proportional to 1,120,336.80, 1,681,161.30 and 410,436.60 is: 615,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,336.80 : 1,681,161.30 = 410,436.60 : x
  2. Step 2: Convert to fraction form
    1,120,336.80/1,681,161.30 = 410,436.60/x
  3. Step 3: Cross multiply
    1,120,336.80x = 1,681,161.30 × 410,436.60
  4. Step 4: Simplify right side
    1,120,336.80x = 690,010,128,023.58
  5. Step 5: Solve for x
    x = 690,010,128,023.58/1,120,336.80
  6. Step 6: Final answer
    x = 615,895.26

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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.