Home / 1,993,966.80-2,990,950.20-731,630.40

Finding the Fourth Proportional to 1,993,966.80, 2,990,950.20 and 731,630.40

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Solution

The fourth proportional to 1,993,966.80, 2,990,950.20 and 731,630.40 is: 1,097,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,966.80 : 2,990,950.20 = 731,630.40 : x
  2. Step 2: Convert to fraction form
    1,993,966.80/2,990,950.20 = 731,630.40/x
  3. Step 3: Cross multiply
    1,993,966.80x = 2,990,950.20 × 731,630.40
  4. Step 4: Simplify right side
    1,993,966.80x = 2,188,270,091,206.08
  5. Step 5: Solve for x
    x = 2,188,270,091,206.08/1,993,966.80
  6. Step 6: Final answer
    x = 1,097,445.60

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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.