Home / 1,186,649.60-1,637,693.28-677,428.16

Finding the Fourth Proportional to 1,186,649.60, 1,637,693.28 and 677,428.16

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Solution

The fourth proportional to 1,186,649.60, 1,637,693.28 and 677,428.16 is: 934,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,649.60 : 1,637,693.28 = 677,428.16 : x
  2. Step 2: Convert to fraction form
    1,186,649.60/1,637,693.28 = 677,428.16/x
  3. Step 3: Cross multiply
    1,186,649.60x = 1,637,693.28 × 677,428.16
  4. Step 4: Simplify right side
    1,186,649.60x = 1,109,419,545,314.76
  5. Step 5: Solve for x
    x = 1,109,419,545,314.76/1,186,649.60
  6. Step 6: Final answer
    x = 934,917.56

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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.