Home / 993,616.90-1,488,894.45-739,706.20

Finding the Fourth Proportional to 993,616.90, 1,488,894.45 and 739,706.20

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Solution

The fourth proportional to 993,616.90, 1,488,894.45 and 739,706.20 is: 1,108,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,616.90 : 1,488,894.45 = 739,706.20 : x
  2. Step 2: Convert to fraction form
    993,616.90/1,488,894.45 = 739,706.20/x
  3. Step 3: Cross multiply
    993,616.90x = 1,488,894.45 × 739,706.20
  4. Step 4: Simplify right side
    993,616.90x = 1,101,344,455,810.59
  5. Step 5: Solve for x
    x = 1,101,344,455,810.59/993,616.90
  6. Step 6: Final answer
    x = 1,108,419.61

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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.