Home / 1,989,530.40-2,984,295.60-659,834.40

Finding the Fourth Proportional to 1,989,530.40, 2,984,295.60 and 659,834.40

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Solution

The fourth proportional to 1,989,530.40, 2,984,295.60 and 659,834.40 is: 989,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,530.40 : 2,984,295.60 = 659,834.40 : x
  2. Step 2: Convert to fraction form
    1,989,530.40/2,984,295.60 = 659,834.40/x
  3. Step 3: Cross multiply
    1,989,530.40x = 2,984,295.60 × 659,834.40
  4. Step 4: Simplify right side
    1,989,530.40x = 1,969,140,896,648.64
  5. Step 5: Solve for x
    x = 1,969,140,896,648.64/1,989,530.40
  6. Step 6: Final answer
    x = 989,751.60

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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.