Home / 1,212,597.41-1,819,082.95-413,692.72

Finding the Fourth Proportional to 1,212,597.41, 1,819,082.95 and 413,692.72

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Solution

The fourth proportional to 1,212,597.41, 1,819,082.95 and 413,692.72 is: 620,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,597.41 : 1,819,082.95 = 413,692.72 : x
  2. Step 2: Convert to fraction form
    1,212,597.41/1,819,082.95 = 413,692.72/x
  3. Step 3: Cross multiply
    1,212,597.41x = 1,819,082.95 × 413,692.72
  4. Step 4: Simplify right side
    1,212,597.41x = 752,541,367,909.19
  5. Step 5: Solve for x
    x = 752,541,367,909.19/1,212,597.41
  6. Step 6: Final answer
    x = 620,602.82

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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.