Home / 770,513.92-1,154,204.16-628,864

Finding the Fourth Proportional to 770,513.92, 1,154,204.16 and 628,864

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Solution

The fourth proportional to 770,513.92, 1,154,204.16 and 628,864 is: 942,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,513.92 : 1,154,204.16 = 628,864 : x
  2. Step 2: Convert to fraction form
    770,513.92/1,154,204.16 = 628,864/x
  3. Step 3: Cross multiply
    770,513.92x = 1,154,204.16 × 628,864
  4. Step 4: Simplify right side
    770,513.92x = 725,837,444,874.24
  5. Step 5: Solve for x
    x = 725,837,444,874.24/770,513.92
  6. Step 6: Final answer
    x = 942,017.30

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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.