Home / 1,211,928.04-1,672,472.14-668,083.32

Finding the Fourth Proportional to 1,211,928.04, 1,672,472.14 and 668,083.32

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Solution

The fourth proportional to 1,211,928.04, 1,672,472.14 and 668,083.32 is: 921,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,928.04 : 1,672,472.14 = 668,083.32 : x
  2. Step 2: Convert to fraction form
    1,211,928.04/1,672,472.14 = 668,083.32/x
  3. Step 3: Cross multiply
    1,211,928.04x = 1,672,472.14 × 668,083.32
  4. Step 4: Simplify right side
    1,211,928.04x = 1,117,350,739,898.70
  5. Step 5: Solve for x
    x = 1,117,350,739,898.70/1,211,928.04
  6. Step 6: Final answer
    x = 921,961.29

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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.