Home / 642,789.18-963,233.46-606,843.18

Finding the Fourth Proportional to 642,789.18, 963,233.46 and 606,843.18

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Solution

The fourth proportional to 642,789.18, 963,233.46 and 606,843.18 is: 909,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,789.18 : 963,233.46 = 606,843.18 : x
  2. Step 2: Convert to fraction form
    642,789.18/963,233.46 = 606,843.18/x
  3. Step 3: Cross multiply
    642,789.18x = 963,233.46 × 606,843.18
  4. Step 4: Simplify right side
    642,789.18x = 584,531,655,948.80
  5. Step 5: Solve for x
    x = 584,531,655,948.80/642,789.18
  6. Step 6: Final answer
    x = 909,367.60

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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.