Home / 1,205,991.04-1,664,193.03-662,123.76

Finding the Fourth Proportional to 1,205,991.04, 1,664,193.03 and 662,123.76

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Solution

The fourth proportional to 1,205,991.04, 1,664,193.03 and 662,123.76 is: 913,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,991.04 : 1,664,193.03 = 662,123.76 : x
  2. Step 2: Convert to fraction form
    1,205,991.04/1,664,193.03 = 662,123.76/x
  3. Step 3: Cross multiply
    1,205,991.04x = 1,664,193.03 × 662,123.76
  4. Step 4: Simplify right side
    1,205,991.04x = 1,101,901,746,389.39
  5. Step 5: Solve for x
    x = 1,101,901,746,389.39/1,205,991.04
  6. Step 6: Final answer
    x = 913,689.83

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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.