Home / 711,660.24-1,068,711.80-631,878.48

Finding the Fourth Proportional to 711,660.24, 1,068,711.80 and 631,878.48

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Solution

The fourth proportional to 711,660.24, 1,068,711.80 and 631,878.48 is: 948,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,660.24 : 1,068,711.80 = 631,878.48 : x
  2. Step 2: Convert to fraction form
    711,660.24/1,068,711.80 = 631,878.48/x
  3. Step 3: Cross multiply
    711,660.24x = 1,068,711.80 × 631,878.48
  4. Step 4: Simplify right side
    711,660.24x = 675,295,987,742.06
  5. Step 5: Solve for x
    x = 675,295,987,742.06/711,660.24
  6. Step 6: Final answer
    x = 948,902.23

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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.