Home / 1,177,515.78-1,624,879.13-668,218.15

Finding the Fourth Proportional to 1,177,515.78, 1,624,879.13 and 668,218.15

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Solution

The fourth proportional to 1,177,515.78, 1,624,879.13 and 668,218.15 is: 922,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,515.78 : 1,624,879.13 = 668,218.15 : x
  2. Step 2: Convert to fraction form
    1,177,515.78/1,624,879.13 = 668,218.15/x
  3. Step 3: Cross multiply
    1,177,515.78x = 1,624,879.13 × 668,218.15
  4. Step 4: Simplify right side
    1,177,515.78x = 1,085,773,727,892.76
  5. Step 5: Solve for x
    x = 1,085,773,727,892.76/1,177,515.78
  6. Step 6: Final answer
    x = 922,088.48

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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.