Home / 1,012,153.66-1,396,771.98-553,270.16

Finding the Fourth Proportional to 1,012,153.66, 1,396,771.98 and 553,270.16

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Solution

The fourth proportional to 1,012,153.66, 1,396,771.98 and 553,270.16 is: 763,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,153.66 : 1,396,771.98 = 553,270.16 : x
  2. Step 2: Convert to fraction form
    1,012,153.66/1,396,771.98 = 553,270.16/x
  3. Step 3: Cross multiply
    1,012,153.66x = 1,396,771.98 × 553,270.16
  4. Step 4: Simplify right side
    1,012,153.66x = 772,792,256,858.12
  5. Step 5: Solve for x
    x = 772,792,256,858.12/1,012,153.66
  6. Step 6: Final answer
    x = 763,512.78

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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.