Home / 1,186,645.60-1,637,687.76-677,424.16

Finding the Fourth Proportional to 1,186,645.60, 1,637,687.76 and 677,424.16

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Solution

The fourth proportional to 1,186,645.60, 1,637,687.76 and 677,424.16 is: 934,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,645.60 : 1,637,687.76 = 677,424.16 : x
  2. Step 2: Convert to fraction form
    1,186,645.60/1,637,687.76 = 677,424.16/x
  3. Step 3: Cross multiply
    1,186,645.60x = 1,637,687.76 × 677,424.16
  4. Step 4: Simplify right side
    1,186,645.60x = 1,109,409,255,160.28
  5. Step 5: Solve for x
    x = 1,109,409,255,160.28/1,186,645.60
  6. Step 6: Final answer
    x = 934,912.04

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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.