Home / 626,869.20-939,660.40-247,636.40

Finding the Fourth Proportional to 626,869.20, 939,660.40 and 247,636.40

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Solution

The fourth proportional to 626,869.20, 939,660.40 and 247,636.40 is: 371,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,869.20 : 939,660.40 = 247,636.40 : x
  2. Step 2: Convert to fraction form
    626,869.20/939,660.40 = 247,636.40/x
  3. Step 3: Cross multiply
    626,869.20x = 939,660.40 × 247,636.40
  4. Step 4: Simplify right side
    626,869.20x = 232,694,118,678.56
  5. Step 5: Solve for x
    x = 232,694,118,678.56/626,869.20
  6. Step 6: Final answer
    x = 371,200.43

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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.