Home / 1,538,872.95-2,123,684.73-850,555.68

Finding the Fourth Proportional to 1,538,872.95, 2,123,684.73 and 850,555.68

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Solution

The fourth proportional to 1,538,872.95, 2,123,684.73 and 850,555.68 is: 1,173,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,872.95 : 2,123,684.73 = 850,555.68 : x
  2. Step 2: Convert to fraction form
    1,538,872.95/2,123,684.73 = 850,555.68/x
  3. Step 3: Cross multiply
    1,538,872.95x = 2,123,684.73 × 850,555.68
  4. Step 4: Simplify right side
    1,538,872.95x = 1,806,312,109,630.77
  5. Step 5: Solve for x
    x = 1,806,312,109,630.77/1,538,872.95
  6. Step 6: Final answer
    x = 1,173,788.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.