Home / 1,137,395.04-1,569,605.76-621,156

Finding the Fourth Proportional to 1,137,395.04, 1,569,605.76 and 621,156

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Solution

The fourth proportional to 1,137,395.04, 1,569,605.76 and 621,156 is: 857,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,395.04 : 1,569,605.76 = 621,156 : x
  2. Step 2: Convert to fraction form
    1,137,395.04/1,569,605.76 = 621,156/x
  3. Step 3: Cross multiply
    1,137,395.04x = 1,569,605.76 × 621,156
  4. Step 4: Simplify right side
    1,137,395.04x = 974,970,035,458.56
  5. Step 5: Solve for x
    x = 974,970,035,458.56/1,137,395.04
  6. Step 6: Final answer
    x = 857,195.61

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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.