Home / 1,127,107.03-1,690,919.75-368,972.95

Finding the Fourth Proportional to 1,127,107.03, 1,690,919.75 and 368,972.95

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Solution

The fourth proportional to 1,127,107.03, 1,690,919.75 and 368,972.95 is: 553,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,107.03 : 1,690,919.75 = 368,972.95 : x
  2. Step 2: Convert to fraction form
    1,127,107.03/1,690,919.75 = 368,972.95/x
  3. Step 3: Cross multiply
    1,127,107.03x = 1,690,919.75 × 368,972.95
  4. Step 4: Simplify right side
    1,127,107.03x = 623,903,648,370.76
  5. Step 5: Solve for x
    x = 623,903,648,370.76/1,127,107.03
  6. Step 6: Final answer
    x = 553,544.28

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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.