Home / 1,318,153.50-1,974,037.27-912,208.11

Finding the Fourth Proportional to 1,318,153.50, 1,974,037.27 and 912,208.11

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Solution

The fourth proportional to 1,318,153.50, 1,974,037.27 and 912,208.11 is: 1,366,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,153.50 : 1,974,037.27 = 912,208.11 : x
  2. Step 2: Convert to fraction form
    1,318,153.50/1,974,037.27 = 912,208.11/x
  3. Step 3: Cross multiply
    1,318,153.50x = 1,974,037.27 × 912,208.11
  4. Step 4: Simplify right side
    1,318,153.50x = 1,800,732,804,855.74
  5. Step 5: Solve for x
    x = 1,800,732,804,855.74/1,318,153.50
  6. Step 6: Final answer
    x = 1,366,102.51

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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.