Home / 1,061,063.60-1,591,048.20-313,012.40

Finding the Fourth Proportional to 1,061,063.60, 1,591,048.20 and 313,012.40

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Solution

The fourth proportional to 1,061,063.60, 1,591,048.20 and 313,012.40 is: 469,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,063.60 : 1,591,048.20 = 313,012.40 : x
  2. Step 2: Convert to fraction form
    1,061,063.60/1,591,048.20 = 313,012.40/x
  3. Step 3: Cross multiply
    1,061,063.60x = 1,591,048.20 × 313,012.40
  4. Step 4: Simplify right side
    1,061,063.60x = 498,017,815,597.68
  5. Step 5: Solve for x
    x = 498,017,815,597.68/1,061,063.60
  6. Step 6: Final answer
    x = 469,357.18

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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.