Home / 2,983,246.80-4,474,870.20-853,400.40

Finding the Fourth Proportional to 2,983,246.80, 4,474,870.20 and 853,400.40

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Solution

The fourth proportional to 2,983,246.80, 4,474,870.20 and 853,400.40 is: 1,280,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983,246.80 : 4,474,870.20 = 853,400.40 : x
  2. Step 2: Convert to fraction form
    2,983,246.80/4,474,870.20 = 853,400.40/x
  3. Step 3: Cross multiply
    2,983,246.80x = 4,474,870.20 × 853,400.40
  4. Step 4: Simplify right side
    2,983,246.80x = 3,818,856,018,628.08
  5. Step 5: Solve for x
    x = 3,818,856,018,628.08/2,983,246.80
  6. Step 6: Final answer
    x = 1,280,100.60

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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.