Home / 822,419.26-1,233,628.88-541,870.90

Finding the Fourth Proportional to 822,419.26, 1,233,628.88 and 541,870.90

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Solution

The fourth proportional to 822,419.26, 1,233,628.88 and 541,870.90 is: 812,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,419.26 : 1,233,628.88 = 541,870.90 : x
  2. Step 2: Convert to fraction form
    822,419.26/1,233,628.88 = 541,870.90/x
  3. Step 3: Cross multiply
    822,419.26x = 1,233,628.88 × 541,870.90
  4. Step 4: Simplify right side
    822,419.26x = 668,467,585,678.17
  5. Step 5: Solve for x
    x = 668,467,585,678.17/822,419.26
  6. Step 6: Final answer
    x = 812,806.34

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1.5x scale

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.