Home / 1,214,390.20-1,821,585.30-583,151.80

Finding the Fourth Proportional to 1,214,390.20, 1,821,585.30 and 583,151.80

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Solution

The fourth proportional to 1,214,390.20, 1,821,585.30 and 583,151.80 is: 874,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,390.20 : 1,821,585.30 = 583,151.80 : x
  2. Step 2: Convert to fraction form
    1,214,390.20/1,821,585.30 = 583,151.80/x
  3. Step 3: Cross multiply
    1,214,390.20x = 1,821,585.30 × 583,151.80
  4. Step 4: Simplify right side
    1,214,390.20x = 1,062,260,746,548.54
  5. Step 5: Solve for x
    x = 1,062,260,746,548.54/1,214,390.20
  6. Step 6: Final answer
    x = 874,727.70

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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.