Home / 1,211,393.95-1,817,091.23-358,399.55

Finding the Fourth Proportional to 1,211,393.95, 1,817,091.23 and 358,399.55

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Solution

The fourth proportional to 1,211,393.95, 1,817,091.23 and 358,399.55 is: 537,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,393.95 : 1,817,091.23 = 358,399.55 : x
  2. Step 2: Convert to fraction form
    1,211,393.95/1,817,091.23 = 358,399.55/x
  3. Step 3: Cross multiply
    1,211,393.95x = 1,817,091.23 × 358,399.55
  4. Step 4: Simplify right side
    1,211,393.95x = 651,244,681,891.68
  5. Step 5: Solve for x
    x = 651,244,681,891.68/1,211,393.95
  6. Step 6: Final answer
    x = 537,599.42

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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.