Home / 891,684.26-1,230,524.30-509,719.27

Finding the Fourth Proportional to 891,684.26, 1,230,524.30 and 509,719.27

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Solution

The fourth proportional to 891,684.26, 1,230,524.30 and 509,719.27 is: 703,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,684.26 : 1,230,524.30 = 509,719.27 : x
  2. Step 2: Convert to fraction form
    891,684.26/1,230,524.30 = 509,719.27/x
  3. Step 3: Cross multiply
    891,684.26x = 1,230,524.30 × 509,719.27
  4. Step 4: Simplify right side
    891,684.26x = 627,221,947,913.26
  5. Step 5: Solve for x
    x = 627,221,947,913.26/891,684.26
  6. Step 6: Final answer
    x = 703,412.60

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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.