Home / 891,682.26-1,230,521.54-509,717.27

Finding the Fourth Proportional to 891,682.26, 1,230,521.54 and 509,717.27

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Solution

The fourth proportional to 891,682.26, 1,230,521.54 and 509,717.27 is: 703,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,682.26 : 1,230,521.54 = 509,717.27 : x
  2. Step 2: Convert to fraction form
    891,682.26/1,230,521.54 = 509,717.27/x
  3. Step 3: Cross multiply
    891,682.26x = 1,230,521.54 × 509,717.27
  4. Step 4: Simplify right side
    891,682.26x = 627,218,071,343.80
  5. Step 5: Solve for x
    x = 627,218,071,343.80/891,682.26
  6. Step 6: Final answer
    x = 703,409.83

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1.5x scale

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.