Home / 1,100,432.75-1,518,577.88-616,996.40

Finding the Fourth Proportional to 1,100,432.75, 1,518,577.88 and 616,996.40

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Solution

The fourth proportional to 1,100,432.75, 1,518,577.88 and 616,996.40 is: 851,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,432.75 : 1,518,577.88 = 616,996.40 : x
  2. Step 2: Convert to fraction form
    1,100,432.75/1,518,577.88 = 616,996.40/x
  3. Step 3: Cross multiply
    1,100,432.75x = 1,518,577.88 × 616,996.40
  4. Step 4: Simplify right side
    1,100,432.75x = 936,957,074,401.76
  5. Step 5: Solve for x
    x = 936,957,074,401.76/1,100,432.75
  6. Step 6: Final answer
    x = 851,444.20

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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.