Home / 697,155.88-1,045,624.48-191,754.76

Finding the Fourth Proportional to 697,155.88, 1,045,624.48 and 191,754.76

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Solution

The fourth proportional to 697,155.88, 1,045,624.48 and 191,754.76 is: 287,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,155.88 : 1,045,624.48 = 191,754.76 : x
  2. Step 2: Convert to fraction form
    697,155.88/1,045,624.48 = 191,754.76/x
  3. Step 3: Cross multiply
    697,155.88x = 1,045,624.48 × 191,754.76
  4. Step 4: Simplify right side
    697,155.88x = 200,503,471,212.53
  5. Step 5: Solve for x
    x = 200,503,471,212.53/697,155.88
  6. Step 6: Final answer
    x = 287,602.07

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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.